Astronauts in Spacewalks

Images of astronauts performing extravehicular activities (EVAs) while working on the International Space Station, showcasing teamwork and complex maneuvers in space.

S127-E-008441 (24 July 2009) --- Astronauts Tom Marshburn (left) and Christopher Cassidy, mission specialists for STS-127, share duties on the fourth spacewalk of Endeavour's current mission and its crew's joint activities with the space station. Eleven astronauts and cosmonauts remained inside the International Space Station and the shuttle to which it was docked, while the two continued work on the orbital outpost. The two will team up for the mission's final spacewalk on July 27.

STS111-E-5033 (8 June 2002) --- Astronaut Franklin R. Chang-Diaz works with a grapple fixture duringextravehicular activity (EVA) to perform work on the International Space Station (ISS). The first spacewalk of the STS-111 mission began with the installation of a Power and Data Grapple Fixture (PDGF) for the station's robotic arm on the complex's P6 truss. The PDGF will allow the robotic arm to grip the P6 truss for future station assembly operations. Astronauts Chang-Diaz and Philippe Perrin (with French Space Agency, CNES)went on to install the new fixture about halfway up the P6 truss, the vertical structure that currently supports the station's set of large U.S. solar arrays.

iss050e059529 (03/24/2017) --- Flight Engineer Thomas Pesquet of ESA (European Space Agency) is seen performing maintenance on the Dextre robot during a spacewalk. Pesquet and Expedition 50 Commander Shane Kimbrough of NASA conducted a six hour and 34 minute spacewalk on March 24, 2017. The two astronauts successfully disconnected cables and electrical connections on the Pressurized Mating Adapter-3 to prepare for its robotic move, lubricated the latching end effector on the Special Purpose Dexterous Manipulator extension” for the Canadarm2 robotic arm, inspected a radiator valve and replaced cameras on the Japanese segment of the outpost.

S123-E-006788 (15/16 March 2008) --- Astronauts Mike Foreman (left) and Rick Linnehan, both STS-123 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the 7-hour, 8-minute spacewalk, Linnehan and Foreman, assembled the stick-figure-shaped Dextre, also known as the Special Purpose Dextrous Manipulator (SPDM), a task that included attaching its two arms. Designed for station maintenance and service, Dextre is capable of sensing forces and movement of objects it is manipulating. It can automatically compensate for those forces and movements to ensure an object is moved smoothly. Dextre is the final element of the station's Mobile Servicing System.

ISS032-E-020892 (20 Aug. 2012) --- Russian cosmonaut Yuri Malenchenko, Expedition 32 flight engineer, participates in a session of extravehicular activity (EVA) to continue outfitting the International Space Station. During the five-hour, 51-minute spacewalk, Malenchenko and Russian cosmonaut Gennady Padalka (out of frame), commander, moved the Strela-2 cargo boom from the Pirs docking compartment to the Zarya module to prepare Pirs for its eventual replacement with a new Russian multipurpose laboratory module. The two spacewalking cosmonauts also installed micrometeoroid debris shields on the exterior of the Zvezda service module and deployed a small science satellite.

S127-E-008441 (24 July 2009) --- Astronauts Tom Marshburn (left) and Christopher Cassidy, mission specialists for STS-127, share duties on the fourth spacewalk of Endeavour's current mission and its crew's joint activities with the space station. Eleven astronauts and cosmonauts remained inside the International Space Station and the shuttle to which it was docked, while the two continued work on the orbital outpost. The two will team up for the mission's final spacewalk on July 27.

ISS013-E-49826 (11 July 2006) --- This scene, photographed from the International Space Station while docked with Space Shuttle Discovery, shows the orbiter, the orbiter's Remote Manipulator System (RMS) arm, the Space Station RMS (Canadarm2), the Orbiter Boom and Sensor System (OBSS) and a Soyuz vehicle docked with the orbital outpost.

ISS022-E-065758 (14 Feb. 2010) --- NASA astronaut Robert Behnken, STS-130 mission specialist, participates in the missions second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 54-minute spacewalk, Behnken and astronaut Nicholas Patrick (out of frame), mission specialist, connected two ammonia coolant loops, installed thermal covers around the ammonia hoses, outfitted the Earth-facing port on the Tranquility node for the relocation of its Cupola, and installed handrails and a vent valve on the new module.

iss063e049933 (July 16, 2020) --- NASA astronaut Chris Cassidy works during a six-hour spacewalk to install lithium-ion batteries on the International Space Station's truss structure. The orbiting lab was above the north Pacific Ocean flying into a sunrise with a tiny waning crescent Moon in the background at the time this photograph was taken.

iss064e038304 (Feb. 28, 2021) --- NASA astronauts Kate Rubins (lower left) and Victor Glover (upper right) are pictured during a spacewalk to install solar array modification kits on the International Space Station. The maintenance work will support new, more powerful solar arrays that will be delivered on upcoming SpaceX Dragon cargo missions.

41G-03-008 (5-13 Oct. 1984) --- The end effector of the space shuttle Challenger's remote manipulator system (RMS) taps against the shuttle imaging radar's (SIR-B) antenna to secure it during NASA's 41-G mission.

With his feet secured on a platform connected to the remote manipulator system (RMS) robotic arm of the Space Shuttle Columbia, astronaut Michael J. Massimino, mission specialist, hovers over the shuttle's cargo bay while working in tandem with astronaut James H. Newman, mission specialist, to replace the Reaction Wheel Assembly in the Hubble Space Telescope (HST) during the STS-109 mission's second day of extravehicular activity (EVA).

S128-E-007215 (1 Sept. 2009) --- Astronaut John Danny” Olivas, STS-128 mission specialist, participates in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 35-minute spacewalk, Olivas and astronaut Nicole Stott (out of frame), mission specialist, removed an empty ammonia tank from the station’s truss and temporarily stowed it on the station’s robotic arm. Olivas and Stott also retrieved the European Technology Exposure Facility (EuTEF) and Materials International Space Station Experiment (MISSE) from the Columbus laboratory module and installed them on Discovery’s payload bay for return.

STS097-374-011 (3 December 2000) --- This high-angle view shows astronaut Carlos I. Noriega, mission specialist, working on the International Space Station (ISS) during the first of three STS-97 space walks. Astronaut Joseph R. Tanner, mission specialist, was nearby when he exposed the 35mm frame. The Canadian-built Remote Manipulator System (RMS) arm can be seen at the top center.

ISS015-E-22632 (15 Aug. 2007) --- Astronaut Rick Mastracchio, STS-118 mission specialist, participates in the mission's third planned session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the 5-hour, 28-minute spacewalk, Mastracchio and astronaut Clay Anderson (out of frame), Expedition 15 flight engineer, relocated the S-Band Antenna Sub-Assembly from Port 6 (P6) to Port 1 (P1) truss, installed a new transponder on P1 and retrieved the P6 transponder.

S121-E-06210 (10 July 2006) --- Astronaut Michael E. Fossum, STS-121 mission specialist, removes the trailing umbilical system-reel assembly (TUS-RA) from the S0 truss on the International Space Station during the mission's second session of extravehicular activity (EVA). Fossum is anchored on the mobile foot restraint on the Canadarm2.

S88-E-5050 (12-07-98) --- Just a few feet away from the camera lens onboard Endeavour, the Russian-built Zarya control module and the U.S.-built Unity connecting module are connected in the shuttle's cargo bay. Using the Endeavour's 50-ft.-long Canadian-built robot arm, astronaut Nancy J. Currie, working from the aft flight deck, plucked Zarya out of orbit at 5:47 p.m. (CST), Dec. 6. The craft had been orbiting Earth for a little over 16 days prior to the grapple and subsequent docking to Unity. This image was recorded with an electronic still camera (ESC) at 00:24:53 GMT, Dec. 7.

S123-E-006771 (17/18 March 2008) --- Astronaut Robert L. Behnken, STS-123 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the 6-hour, 53-minute spacewalk, Behnken and Rick Linnehan (out of frame), mission specialist, installed a spare-parts platform and tool-handling assembly for Dextre, also known as the Special Purpose Dextrous Manipulator (SPDM). Among other tasks, they also checked out and calibrated Dextre's end effector and attached critical spare parts to an external stowage platform. The new robotic system is scheduled to be activated on a power and data grapple fixture located on the Destiny laboratory on flight day nine.

ISS023-E-042386 (10 May 2010) --- Russian cosmonaut Oleg Kotov, Expedition 23 commander, is pictured in a window of the Cupola of the International Space Station. Earths horizon and the blackness of space provide the backdrop for the scene.

ISS023-E-021562 (11 April 2010) --- NASA astronaut Clayton Anderson, STS-131 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the seven-hour, 26-minute spacewalk, Anderson and Rick Mastracchio (out of frame), mission specialist, unhooked and removed the depleted ammonia tank and installed a 1,700-pound ammonia tank on the stations Starboard 1 truss, completing the second of a three-spacewalk coolant tank replacement process.

ISS028-E-016253 (12 July 2011) --- NASA astronaut Ron Garan, Expedition 28 flight engineer, egresses the Quest airlock on the International Space Station as he prepares to join crewmate Mike Fossum on a July 12 spacewalk.

S133-E-008179 (2 March 2011) --- Anchored to a Canadarm2 mobile foot restraint, NASA astronaut Steve Bowen, STS-133 mission specialist, participates in the missions second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 14-minute spacewalk, Bowen and astronaut Alvin Drew (out of frame), mission specialist, tackled a variety of tasks, including venting into space some remaining ammonia from a failed pump module they moved during the missions first spacewalk.

STS109-E-5245 (4 March 2002) --- Astronaut John M. Grunsfeld (foreground), payload commander, traverses along the longerons of the Space Shuttle Columbiawhile astronaut Richard M. Linnehan, mission specialist, uses the Remote Manipulator System's robotic arm to move around. The two, participating in the first of their assigned STS-109 space walks to perform work on the Hubble Space Telescope (HST), went on to replace the giant telescopes starboard solar array. Their seven-hour space walk ended at 7:38 a.m. (CST) or 13:38 GMT March 4, 2002.

ISS023-E-021164 (9 April 2010) --- NASA astronaut Clayton Anderson, STS-131 mission specialist, participates in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 27-minute spacewalk, Anderson and astronaut Rick Mastracchio (out of frame), mission specialist, helped move a new 1,700-pound ammonia tank from space shuttle Discoverys cargo bay to a temporary parking place on the station, retrieved an experiment from the Japanese Kibo Laboratory exposed facility and replaced a Rate Gyro Assembly on one of the truss segments.

S124-E-006865 (6 June 2008) --- One of a series of digital still images documenting the Japanese Experiment Module, or JEM, also called Kibo, in its new home on the International Space Station, this view features Kibo's exterior, Earth's horizon and a couple of "visiting" spacecraft. The Space Shuttle Discovery and a Russian Progress resupply craft are seen near foreground.

ISS026-E-030930 (28 Feb. 2011) --- NASA astronaut Alvin Drew, STS-133 mission specialist, participates in the missions first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 34-minute spacewalk, Drew and NASA astronaut Steve Bowen (out of frame), mission specialist, installed the J612 power extension cable, move a failed ammonia pump module to the External Stowage Platform 2 on the Quest Airlock for return to Earth at a later date, installed a camera wedge on the right hand truss segment, installed extensions to the mobile transporter rail and exposed the Japanese Message in a Bottle experiment to space.

S125-E-009599 (18 May 2009) --- Astronaut John Grunsfeld, STS-125 mission specialist, participates in the missions fifth and final session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the seven-hour and two-minute spacewalk, Grunsfeld and astronaut Andrew Feustel (out of frame), mission specialist, installed a battery group replacement, removed and replaced a Fine Guidance Sensor and three thermal blankets (NOBL) protecting Hubbles electronics.

S127-E-008440 (24 July 2009) --- Astronauts Tom Marshburn (upper left) and Christopher Cassidy (seen just below Marshburn), mission specialists for STS-127, share duties on the fourth spacewalk of Endeavour's current mission and its crew's joint activities with the space station. Eleven astronauts and cosmonauts remained inside the International Space Station and the shuttle to which it was docked, while the two continued work on the orbital outpost. The two will team up for the mission's final spacewalk on July 26.

S128-E-007029 (1 Sept. 2009) --- Astronaut John Danny” Olivas, STS-128 mission specialist, participates in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 35-minute spacewalk, Olivas and astronaut Nicole Stott (out of frame), mission specialist, removed an empty ammonia tank from the station’s truss and temporarily stowed it on the station’s robotic arm. Olivas and Stott also retrieved the European Technology Exposure Facility (EuTEF) and Materials International Space Station Experiment (MISSE) from the Columbus laboratory module and installed them on Discovery’s payload bay for return.

S120-E-010980 (28 Oct. 2007) --- Astronauts Daniel Tani (left), Expedition 16 flight engineer, and Scott Parazynski, STS-120 mission specialist, participate in the second scheduled session of extravehicular activity (EVA) as construction continues on the International Space Station. During the 6-hour, 33-minute spacewalk Tani and Parazynski outfitted the Harmony module, mated the power and data grapple fixture and reconfigured connectors on the starboard 1 (S1) truss that will allow the radiator on S1 to be deployed from the ground later. Also the spacewalkers worked in tandem to disconnect cables from the P6 truss, allowing it to be removed from the Z1 truss. Tani also visually inspected the station's starboard Solar Alpha Rotary Joint (SARJ) and gathered samples of "shavings" he found under the joint's multi-layer insulation covers.

ISS013-E-29014 (1 June 2006) --- Astronaut Jeffrey N. Williams, Expedition 13 NASA space station science officer and flight engineer, attired in a Russian Orlan spacesuit, participates in the first session of extravehicular activity (EVA) performed by the Expedition 13 crew during their six-month mission. During the 6-hour, 31-minute spacewalk, Williams and cosmonaut Pavel V. Vinogradov (out of frame), commander representing Russia's Federal Space Agency, repaired, retrieved and replaced hardware on the U.S. and Russian segments of the International Space Station.

S132-E-007567 (15 May 2010) --- Backdropped by Earths horizon and the blackness of space, space shuttle Atlantis payload bay, docking mechanism (foreground), vertical stabilizer, orbital maneuvering system (OMS) pods, and Remote Manipulator System/Orbiter Boom Sensor System (RMS/OBSS) are featured in this image photographed by an STS-132 crew member from an aft flight deck window.

S127-E-007284 (20 July 2009) --- This is one of a series of digital still images showing astronaut Tom Marshburn performing his first spacewalk and the Endeavour crews second of the scheduled five overall in a little more than a week to continue work on the International Space Station. Astronauts Marshburn and Dave Wolf (out of frame), both mission specialists, successfully transferred a spare KU-band antenna to long-term storage on the space station, along with a backup coolant system pump module and a spare drive motor for the station's robot arm transporter. Installation of a television camera on the Japanese Exposed Facility experiment platform was deferred to a later spacewalk.

ISS032-E-008668 (19 July 2012) --- The Japanese Experiment Module - Exposed Facility (JEF) is featured in this image photographed by an Expedition 32 crew member through a window of the International Space Stations Kibo laboratory.

S134-E-008670 (22 May 2011) --- NASA astronaut Michael Fincke, STS-134 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the eight-hour, seven-minute spacewalk, Fincke and Andrew Feustel (out of frame), mission specialist, completed all planned tasks, including refilling one of the stations cooling loops with ammonia and lubricating one of the stations massive solar alpha rotary joints.

S133-E-008032 (2 March 2011) --- NASA astronaut Alvin Drew, STS-133 mission specialist, participates in the missions second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 14-minute spacewalk, Drew and astronaut Steve Bowen (out of frame), mission specialist, tackled a variety of tasks, including venting into space some remaining ammonia from a failed pump module they moved during the missions first spacewalk.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

ISS032-E-025255 (5 Sept. 2012) --- A fisheye lens attached to an electronic still camera was used to capture this image of NASA astronaut Sunita Williams, Expedition 32 flight engineer, during the missions third session of extravehicular activity (EVA). During the six-hour, 28-minute spacewalk, Williams and Japan Aerospace Exploration Agency astronaut Aki Hoshide (out of frame), flight engineer, completed the installation of a Main Bus Switching Unit (MBSU) that was hampered last week by a possible misalignment and damaged threads where a bolt must be placed. They also installed a camera on the International Space Stations robotic arm, Canadarm2. A portion of the space station, Earths horizon and the blackness of space provide the backdrop for the scene.

ISS014-E-13463 (8 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year.

ISS014-E-13433 (8 Feb. 2007) --- Astronaut Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, uses a digital still camera during the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Lopez-Alegria and Sunita L. Williams (out of frame), flight engineer, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year. A blue and white Earth provides the backdrop for the image.

S114-E-6856 (3 August 2005) --- Backdropped by the blackness of space, astronaut Soichi Noguchi, STS-114 mission specialist representing the Japan Aerospace Exploration Agency (JAXA), traverses along the P6 truss near the arrays on the international space station during the missions third session of extravehicular activity (EVA).

S126-E-008741 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S127-E-009342 (27 July 2009) --- Astronauts Tom Marshburn (foreground) and Christopher Cassidy, both STS-127 mission specialists, participate in the mission's fifth and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the four-hour, 54-minute spacewalk, Marshburn and Cassidy secured multi-layer insulation around the Special Purpose Dexterous Manipulator known as Dextre, split out power channels for two space station Control Moment Gyroscopes, installed video cameras on the front and back of the new Japanese Exposed Facility and performed a number of get ahead” tasks, including tying down some cables and installing handrails and a portable foot restraint to aid future spacewalkers.

ISS036-E-016781 (9 July 2013) --- NASA astronaut Chris Cassidy, Expedition 36 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, seven-minute spacewalk, Cassidy and European Space Agency astronaut Luca Parmitano (out of frame), flight engineer, prepared the space station for a new Russian module and performed additional installations on the stations backbone.

S132-E-008906 (21 May 2010) --- NASA astronaut Michael Good, STS-132 mission specialist, participates in the missions third and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 46-minute spacewalk, Good and NASA astronaut Garrett Reisman (out of frame), mission specialist, completed the installation of the final two of the six new batteries for the B side of the port 6 solar array. In addition, the astronauts installed a backup ammonia jumper cable between the port 4 and 5 trusses of the station, transferred a Power and Data Grapple Fixture from the shuttle to the station, and reconfigured some tools.

STS105-E-5265 (16 August 2001) --- Astronauts Daniel T. Barry (left) and Patrick G. Forrester surround the Early Ammonia Servicer (EAS), which they will install on a segment of the P6 structure on the International Space Station (ISS). The two mission specialists were participating in the first of two scheduled STS-105 space walks. The image was recorded with a digital still camera.

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S128-E-006565 (29 Aug. 2009) --- Backdropped by Earths horizon and the blackness of space, the Leonardo Multi-Purpose Logistics Module visible in Space Shuttle Discoverys payload bay, vertical stabilizer, orbital maneuvering system (OMS) pods, Orbiter Boom Sensor System (OBSS) and docking mechanism are featured in this image photographed by an STS-128 crew member from an aft flight deck window.

ISS009-E-07238 (14 May 2004) --- The blackness of space and Earths horizon provide the backdrop for this scene of the Soyuz TMA-4 spacecraft, docked to the Zarya functional cargo block (FGB) nadir port on the International Space Station (ISS). The scene was photographed by an Expedition 9 crewmember.

iss057e131661 (Dec. 11, 2018) --- Russian spacewalker Oleg Kononenko (suit with red stripes) works outside the International Space Station over 250 miles above Earth to inspect the Soyuz MS-09 spacecraft. During the spacewalk, he and fellow spacewalker Sergey Prokopyev (out of frame) examined the external hull of the Soyuz crew ship docked to the Rassvet module. The area corresponded with the location of a small hole inside the Soyuz habitation module that was found in August and caused a decrease in the space stations pressure. The hole was fixed internally with a sealant within hours of its detection. During the spacewalk, Kononenko and Prokopyev collected samples of some of the sealant that extruded through hole to the outer hull before heading back inside the Pirs docking compartment and closing the hatch completing a seven-hour, 45-minute spacewalk.

S131-E-007745 (7 April 2010) --- The stations robotic Canadarm2 grapples the Leonardo Multi-purpose Logistics Module (MPLM) from the payload bay of the docked space shuttle Discovery (STS-131) for relocation to a port on the Harmony node of the International Space Station. Earths horizon and the blackness of space provide the backdrop for the scene. Canadian-built Dextre, also known as the Special Purpose Dextrous Manipulator (SPDM), is visible at bottom center.

S120-E-007426 (30 Oct. 2007) --- Astronaut Scott Parazynski, STS-120 mission specialist, participates in the third scheduled session of extravehicular activity (EVA) as construction continues on the International Space Station. During the 7-hour, 8-minute spacewalk Parazynski and astronaut Doug Wheelock (out of frame), mission specialist, installed the P6 truss segment with its set of solar arrays to its permanent home, installed a spare main bus switching unit on a stowage platform, and performed a few get-ahead tasks. Also, Parazynski inspected the port Solar Alpha Rotary Joint (SARJ) to gather comparison data for the starboard rotary joint.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

S128-E-007196 (1 Sept. 2009) --- Astronauts John Danny” Olivas and Nicole Stott (right), both STS-128 mission specialists, participate in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 35-minute spacewalk, Olivas and Stott removed an empty ammonia tank from the station’s truss and temporarily stowed it on the station’s robotic arm. Olivas and Stott also retrieved the European Technology Exposure Facility (EuTEF) and Materials International Space Station Experiment (MISSE) from the Columbus laboratory module and installed them on Discovery’s payload bay for return.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

ISS005-E-17235 (13 October 2002) --- The Space Shuttle Atlantis payload bay and vertical stabilizer are backdropped against a blue and white Earth. Atlantis was docked with the International Space Station (ISS) at the time.

ISS038-E-015272 (12 Dec. 2013) --- The Permanent Multipurpose Module (PMM) and the Soyuz 37 (TMA-11M) spacecraft docked to the Rassvet Mini-Research Module 1 (MRM1) are featured in this image photographed by an Expedition 38 crew member from a window in the Cupola of the International Space Station. A blue and white part of Earth provides the backdrop for the scene.

S116-E-06570 (16 Dec. 2006) --- Astronaut Robert L. Curbeam, Jr., STS-116 mission specialist, participates in the mission's third planned session of extravehicular activity (EVA) as construction resumes on the International Space Station. Astronaut Sunita L. Williams, (out of frame), Expedition 14 flight engineer, also participated in the 7-hour, 31-minute spacewalk.

NASA astronaut and Expedition 66 Flight Engineer Kayla Barron peers out from a window inside the cupola, the International Space Station's "window to the world." Prominent components in this photograph include the Kibo laboratory module and its external pallet, the Japanese robotic arm, and the Leonardo Permanent Multipurpose Module.

ISS042E283203 (02/21/2015) - NASA astronaut Terry Virts Flight Engineer of Expedition 42 on the International Space Station is seen working to complete a cable routing task while the sun begins to peak over the Earths horizon on Feb. 21 2015. Virts and fellow astronaut Barry “Butch” Wilmore completed a 6-hour, 41-minute spacewalk routing more than 300 feet of cable as part of a reconfiguration of the station to enable U.S. commercial crew vehicles under development to dock to the space station in the coming years.

S120-E-007002 (28 Oct. 2007) --- Astronaut Daniel Tani, Expedition 16 flight engineer, participates in the second of five scheduled sessions of extravehicular activity (EVA) as construction continues on the International Space Station. During the 6-hour, 33-minute spacewalk Tani and astronaut Scott Parazynski (out of frame), STS-120 mission specialist, worked in tandem to disconnect cables from the P6 truss, allowing it to be removed from the Z1 truss. Tani also visually inspected the station's starboard Solar Alpha Rotary Joint (SARJ) and gathered samples of "shavings" he found under the joint's multi-layer insulation covers. Also the spacewalkers outfitted the Harmony module, mated the power and data grapple fixture and reconfigured connectors on the starboard 1 (S1) truss that will allow the radiator on S1 to be deployed from the ground later.

ISS018-E-039326 (10 March 2009) --- The Russian segment of the International Space Station is featured in this image photographed by an Expedition 18 crewmember during extravehicular activity (EVA).

STS088-344-016 (4-15 Dec. 1998) --- This scene photographed from the top of Node 1 shows the nose of the Space Shuttle Endeavour, during one of three Extravehicular Activities (EVA) by astronaut Jerry L. Ross and James H. Newman (both out of frame). The EVA was part of the overall effort to ready for release the recently-joined Russian-built Zarya Module (FGB) and the United States-built Unity (Node 1) Module.

ISS023-E-021529 (11 April 2010) --- NASA astronaut Rick Mastracchio, STS-131 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the seven-hour, 26-minute spacewalk, Mastracchio and astronaut Clayton Anderson (out of frame), mission specialist, unhooked and removed the depleted ammonia tank and installed a 1,700-pound ammonia tank on the stations Starboard 1 truss, completing the second of a three-spacewalk coolant tank replacement process.

ISS014-E-18777 (29 March 2007) --- This medium close-up view of the International Space Station was photographed by an Expedition 14 crewmember during the relocation of the Soyuz 13 (TMA-9) spacecraft from the Zarya Module nadir port to the Zvezda Service Module aft port in preparation for the arrival of Expedition 15. Destiny laboratory (top center), Unity node (bottom center) and Quest Airlock (bottom left) are visible in this view.

ISS038-E-036125 (27 Jan. 2014) --- Russian cosmonauts Oleg Kotov (right), Expedition 38 commander, and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits, participate in a session of extravehicular activity (EVA) in support of assembly and maintenance on the International Space Station. During the six-hour, eight-minute spacewalk, Kotov and Ryazanskiy completed the installation of a pair of high fidelity cameras that experienced connectivity issues during the Dec. 27 spacewalk, and retrieved scientific gear outside the station's Russian segment.

ISS038-E-022888 (27 Dec. 2013) --- Russian cosmonauts Oleg Kotov (right), Expedition 38 commander; and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits, participate in a session of extravehicular activity (EVA) in support of assembly and maintenance on the International Space Station. During the eight-hour, seven-minute spacewalk, Kotov and Ryazanskiy worked with two high-fidelity cameras, removed the Vsplesk experiment package and jettisoned it and replaced it with hardware for a more sophisticated earthquake-monitoring experiment, Seismoprognoz, which they attached to a Zvezda handrail.

S123-E-006764 (17/18 March 2008) --- Astronaut Robert L. Behnken, STS-123 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the 6-hour, 53-minute spacewalk, Behnken and Rick Linnehan (out of frame), mission specialist, installed a spare-parts platform and tool-handling assembly for Dextre, also known as the Special Purpose Dextrous Manipulator (SPDM). Among other tasks, they also checked out and calibrated Dextre's end effector and attached critical spare parts to an external stowage platform. The new robotic system is scheduled to be activated on a power and data grapple fixture located on the Destiny laboratory on flight day nine. The blackness of space and Earth's horizon provide the backdrop for the scene.

STS98-E-5189 (12 February 2001) --- Astronaut Robert L. Curbeam, STS-98 mission specialist, holds onto a hand rail on Pressurized Mating Adapter (PMA-3) during the second of three scheduled space walks on 5a. The scene was recorded with a digital still camera.

ISS022-E-065722 (14 Feb. 2010) --- NASA astronaut Robert Behnken, STS-130 mission specialist, participates in the missions second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 54-minute spacewalk, Behnken and astronaut Nicholas Patrick (out of frame), mission specialist, connected two ammonia coolant loops, installed thermal covers around the ammonia hoses, outfitted the Earth-facing port on the Tranquility node for the relocation of its Cupola, and installed handrails and a vent valve on the new module.

ISS036-E-008170 (15 June 2013) --- The European Space Agency's Automated Transfer Vehicle-4 (ATV-4) Albert Einstein” approaches the International Space Station. The spacecraft went on to successfully dock to the orbital outpost at 2:07 GMT, June 15, 2013, following a ten-day period of free-flight.

ISS022-E-067165 (17 Feb. 2010) --- NASA astronaut Robert Behnken, STS-130 mission specialist, participates in the missions third and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 48-minute spacewalk, Behnken and Nicholas Patrick (out of frame), mission specialist, completed all of their planned tasks, removing insulation blankets and removing launch restraint bolts from each of the Cupolas seven windows.

S122-E-008781 (15 Feb. 2008) --- Astronaut Rex Walheim, mission specialist, holds onto a handrail on the Columbus laboratory, the newest piece of hardware on the International Space Station. Astronaut Stanley Love (out of frame), mission specialist, shared this extravehicular activity with Walheim.

S118-E-07120 (14 Aug. 2007) --- The Space Shuttle Endeavour's Remote Manipulator System (RMS) robotic arm (left) moves away following the hand-off of an external stowage platform (ESP-3) to the station's robotic arm while docked with the International Space Station. Astronauts Tracy Caldwell and Barbara R. Morgan, both STS-118 mission specialists, were at inside at Endeavour's controls as the shuttle's robotic arm lifted the storage platform from the cargo bay to hand it over to the station's robotic arm, also known as Canadarm2. Astronauts Charlie Hobaugh, pilot, and Clay Anderson, Expedition 15 flight engineer, then used the Canadarm2 to attach the 13-by-7-foot platform to the station's Port 3 truss.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

S127-E-007154 (20 July 2009) --- This is one of a series of digital still images showing astronaut Dave Wolf performing his second spacewalk and the Endeavours second also of the scheduled five overall in a little over a weeks time to continue work on the International Space Station. Astronauts Wolf and Tom Marshburn (out of frame), both mission specialists, successfully transferred a spare KU-band antenna to long-term storage on the space station, along with a backup coolant system pump module and a spare drive motor for the station's robot arm transporter. Installation of a television camera on the Japanese Exposed Facility experiment platform was deferred to a later spacewalk.

51I-102-048 (4-5 Sept 1985) --- A 35mm frame showing astronaut William F. Fisher standing on the edge of Discovery's cargo bay (in foot restraint) during the second day of a two-day effort to capture, repair and re-release the Syncom IV-3 communications satellite. Astronaut James D. van Hoften, standing on the Discovery's RMS arm, exposed the frame.

ISS028-E-020930 (3 Aug. 2011) --- Russian cosmonauts Sergei Volkov and Alexander Samokutyaev (out of frame), both Expedition 28 flight engineers, attired in Russian Orlan spacesuits, participate in a session of extravehicular activity (EVA) on the Russian segment of the International Space Station. During the six-hour, 23-minute spacewalk, Volkov and Samokutyaev moved a cargo boom from one airlock to another, installed a prototype laser communications system and deployed an amateur radio micro-satellite.

51A-39-063 (14 Nov 1984) --- A 70mm frame of WESTAR VI post-retrieval activity. Astronaut Dale A. Gardner (left), STS-51A mission specialist, holds a "For Sale" sign, making light reference to the status of the re-captured communications spacecraft, which has been stranded since its initial deployment. Astronaut Joseph P. Allen IV stands on the Mobile Foot Restraint (MFR), which in tandem with the Remote Manipulator System (RMS) arm, controlled by Dr. Anna L. Fisher inside the space shuttle Discovery's cabin, served as a cherry-picker for capture efforts.

ISS027-E-034400 (20 May 2011) --- NASA astronauts Andrew Feustel (right) and Greg Chamitoff, both STS-134 mission specialists, participate in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 19-minute spacewalk, Feustel and Chamitoff retrieved long-duration materials exposure experiments and installed another, installed a light on one of the stations rail line handcarts, made preparations for adding ammonia to a cooling loop and installed an antenna for the External Wireless Communication system.

ISS016-E-011627 (20 Nov. 2007) --- Astronaut Peggy A. Whitson, Expedition 16 commander, participates in a session of extravehicular activity (EVA) as maintenance and construction continue on the International Space Station. During the 6-hour, 40-minute spacewalk Whitson and astronaut Daniel Tani (out of frame), flight engineer, began the external outfitting of the Harmony node in its new position in front of the Destiny laboratory.

ISS027-E-035287 (20 May 2011) --- NASA astronaut Andrew Feustel, STS-134 mission specialist, is pictured during the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 19-minute spacewalk, Feustel and astronaut Greg Chamitoff (out of fame) retrieved long-duration materials exposure experiments and installed another, installed a light on one of the station's rail line handcarts, made preparations for adding ammonia to a cooling loop and installed an antenna for the External Wireless Communication system.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

Astronaut participates in a session of extravehicular activity.

ISS041-E-067002 (7 Oct. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station. During the six-hour, 13-minute spacewalk, Wiseman and European Space Agency astronaut Alexander Gerst (out of frame), flight engineer, worked outside the space station's Quest airlock relocating a failed cooling pump to external stowage and installing gear that provides back up power to external robotics equipment.

ISS022-E-067155 (17 Feb. 2010) --- NASA astronaut Robert Behnken, STS-130 mission specialist, participates in the missions third and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 48-minute spacewalk, Behnken and Nicholas Patrick (out of frame), mission specialist, completed all of their planned tasks, removing insulation blankets and removing launch restraint bolts from each of the Cupolas seven windows.

ISS011-E-11517 (5 August 2005) --- Canadarm2 or the Space Station Remote Manipulator System arm grasps the Italian-built Multi-Purpose Logistics Module Raffaello to place it back in Discovery's cargo bay. On the other end of the arm, inside the shirt sleeve environment of the U.S. Lab, Destiny, on the international space station, Astronauts James M. Kelly, pilot, and Wendy B. Lawrence, mission specialist, were in control of the transfer. The MPLM was being moved from its temporary parking place on the Station's Unity node to the payload bay of Discovery for the return trip to Earth. The Discovery astronauts arrived nine days ago with tons of fresh supplies for the Station, and with much effort, replaced that space on Raffaello with unneeded materials from the orbital outpost.

STS097-374-020 (3 December 2000) --- This high angle view shows astronaut Carlos I. Noriega, STS-97 mission specialist, traversing over Endeavour's cargo bay during the flight's first space walk on Dec. 3, 2000. Astronaut Joseph R. Tanner, mission specialist,was near the top of the P6 truss structure when he exposed the 35mm frame. The Canadian-built Remote Manipulator System (RMS) arm can be seen at bottom right.

Astronaut participates in extravehicular activity

July 9, 2010 - The Soyuz TMA-19 spacecraft (partially out of frame in the foreground), docked to the Rassvet Mini-Research Module 1 (MRM1), and Progress 37 resupply vehicle, docked to the Pirs Docking Compartment. A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

S129-E-006721 (19 Nov. 2009) --- Astronaut Robert L. Satcher Jr., STS-129 mission specialist, participates in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 37-minute spacewalk, Satcher and astronaut Mike Foreman (out of frame), mission specialist, installed a spare S-band antenna structural assembly to the Z1 segment of the stations truss, or backbone. Foreman and Satcher also installed a set of cables for a future space-to-ground antenna on the Destiny laboratory and replaced a handrail on the Unity node with a new bracket used to route an ammonia cable that will be needed for the Tranquility node when it is delivered next year. The two spacewalkers also repositioned a cable connector on Unity, checked S0 truss cable connections, and lubricated latching snares on the Kibo robotic arm and the stations mobile base system.

S126-E-008336 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S116-E-06225 (14 Dec. 2006) --- Anchored to the International Space Station's Canadarm2 foot restraint, European Space Agency (ESA) astronaut Christer Fuglesang (right), STS-116 mission specialist, works in tandem with astronaut Robert L. Curbeam, Jr., mission specialist, during the mission's second of three planned sessions of extravehicular activity (EVA) as construction resumes on the station.

S130-E-008188 (15 Feb. 2010) --- In the grasp of the Canadarm2, the Cupola is relocated from the forward port to the Earth-facing port of the International Space Stations newly-installed Tranquility node. NASA astronauts Terry Virts, STS-130 pilot; and Kathryn Hire, mission specialist, moved the Cupola, operating the stations robotic arm from controls inside the Destiny laboratory.

ISS023-E-005049 (18 March 2010) --- The Soyuz TMA-16 spacecraft departs from the International Space Station carrying NASA astronaut Jeffrey Williams, Expedition 22 commander; and Russian cosmonaut Maxim Suraev, Soyuz commander and flight engineer. Undocking occurred at 4:03 a.m. (EDT) on March 18, 2010. Suraev guided the spacecraft to a parachute-assisted landing at 7:24 a.m. near the town of Arkalyk, Kazakhstan, wrapping up a five-and-a-half-month stay aboard the space station.

S88-E-5059 (12-08-98) --- AstronautsJames H. Newman (left) and Jerry L. Rosswork between Zarya and Unity (foreground) during the first of three scheduled spacewalks on the STS-88 mission. Newman is tethered to the module, while Ross is anchored at the feet to a mobile foot restraint mounted on the end of the remote manipulator system (RMS) arm.

STS111-E-5034 (8 June 2002) --- Astronaut Franklin R. Chang-Diaz works with a grapple fixture during extravehicular activity (EVA) to perform work on the International Space Station (ISS). The first spacewalk of the STS-111 mission began with the installation of a Power and Data Grapple Fixture (PDGF) for the station's robotic arm on the complex's P6 truss. The PDGF will allow the robotic arm to grip the P6 truss for future station assembly operations. Astronauts Chang-Diaz and Philippe Perrin (with French Space Agency, CNES) went on to install the new fixture about halfway up the P6 truss, the vertical structure that currently supports the station's set of large U.S. solar arrays.

ISS031-E-077669 (25 May 2012) --- With rays of sunshine and the thin blue atmosphere of Earth serving as a backdrop, the SpaceX Dragon commercial cargo craft is berthed to the Earth-facing side of the International Space Stations Harmony node. Expedition 31 Flight Engineers Don Pettit and Andre Kuipers grappled Dragon at 9:56 a.m. (EDT) with the Canadarm2 robotic arm and used it to berth Dragon to the at 12:02 p.m. May 25, 2012. Dragon became the first commercially developed space vehicle to be launched to the station to join Russian, European and Japanese resupply craft that service the complex while restoring a U.S. capability to deliver cargo to the orbital laboratory. Dragon is scheduled to spend about a week docked with the station before returning to Earth on May 31 for retrieval

STS112-304-005 (12 October 2002) --- This scene, showing a portion of the forward section of the Space Shuttle Atlantis, was photographed by one of the space walking astronauts. Astronauts Jeffrey S. Ashby, STS-112 mission commander; Pamela A. Melroy, pilot; and cosmonaut Fyodor N. Yurchikhin, mission specialist, can be seen through an overheard aft flight deck window. Yurchikhin represents Rosaviakosmos.

S130-E-010367 (18 Feb. 2010) --- A portion of the docked space shuttle Endeavour is featured in this image photographed by an STS-130 crew member from a window in the newly-installed Cupola of the International Space Station. Earths horizon and the blackness of space form the backdrop for the scene. The mountains in the oval window are primarily the eastern Burhan Budai Shan(center left), and the Xinqing Shan (upper right). This area is part of the northern Qinghai Province, China.

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