List of International Space Station spacewalks

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A computer-generated image of a mechanical object floating above a blue planet exhibiting white clouds all under a black expanse
An artist's rendering from 2006 of the fully assembled International Space Station, as it would appear from a spacecraft flying overhead
An astronaut in a white spacesuit with a red, white, and blue flag on the left shoulder in the foreground with a black background
Jerry Ross during one of the first spacewalks that began assembly of the International Space Station

On the International Space Station (ISS), extravehicular activities are major events in the building and maintaining of the orbital laboratory,<ref name="eva1">Template:Cite web Template:PD-notice</ref> and are performed to install new components, re-wire systems, modules, and equipment, and to monitor, install, and retrieve scientific experiments.<ref name="eva2">Template:Cite web Template:PD-notice</ref><ref name="eva3">Template:Cite web Template:PD-notice</ref>

An artist's rendering from 2023 of the fully assembled International Space Station

Due to the complexity of building a station in space, space agencies train astronauts extensively, preparing them to encounter surprises during spacewalks, teaching them how to assemble special tools and equipment, and carefully coordinating every activity during spacewalks.<ref name="eva1"/> From 1998 to 2005, thirty-seven Space Shuttle missions were scheduled to assemble, outfit and begin experiments and research aboard the station.<ref name="eva1"/>

The initial spacewalk to begin the assembly of the International Space Station was held on 7 December 1998,<ref name="day5"/> following the launch of the first section of the station, Zarya, from Baikonur Cosmodrome, Kazakhstan, on 20 November 1998.<ref name="zaryalaunch">Template:Cite web</ref> The spacewalk attached the U.S.-built Unity node to Zarya.<ref name="day5">Template:Cite web Template:PD-notice</ref> The longest spacewalk was performed on 11 March 2001, when STS-102 crew members Susan J. Helms and James S. Voss conducted a full spacewalk, and then returned to the airlock, but remained in their suits ready to exit the airlock again in case the robotics operations ran into problems. The total time for that spacewalk was eight hours and fifty-six minutes.<ref name="STS102a">Template:Cite web Template:PD-notice</ref>

As of 2 December 2021, there have been 245 spacewalks devoted to assembly and maintenance of the International Space Station totaling 1548 hours and 26 minutes. Thirty-seven of those spacewalks were performed from a shuttle, ninety-three from the Quest Joint Airlock, thirty-two from the Pirs docking compartment, and two from the transfer compartment at the forward end of the Zvezda service module.<ref name="Exp18EVA1"/><ref>ISS status report 12/23/08 states that sixty-six EVAs have been from Quest. However, all NASA references verify that only sixty-five EVAs have been from Quest, as of the Expedition 18 EVA on 112 March 2009.</ref>

*denotes spacewalks performed from the Pirs docking compartment in Russian Orlan suits.
^denotes spacewalks performed from the Poisk module in Russian Orlan suits.
denotes spacewalks performed from the visiting Space Shuttle's airlock.
denotes the one EVA and one IVA performed from the transfer compartment at the forward end of the Zvezda Service Module.
All other spacewalks were performed from the Quest airlock.
ISS Expedition spacewalks are separated from shuttle spacewalks by a separator.

1998–1999

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2000

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2001

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2002

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2003

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2004

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2005

# Mission Spacewalkers Start (UTC) End (UTC) Duration
57. Expedition 10
EVA 1
*
Template:Flagicon Leroy Chiao
Template:Flagicon Salizhan Sharipov
26 January 2005
07:43
26 January 2005
13:11
5 hours, 28 minutes
Completed the installation of the Universal Work Platform, mounted the European commercial experiment Rokviss (Robotic Components Verification on ISS) and its antenna, installed the Russian Biorisk experiment, and relocated a Japanese exposure experiment.<ref name="Exp10-1">Template:Cite web</ref><ref name="SR5-4">Template:Cite web</ref>
58. Expedition 10
EVA 2
*
Template:Flagicon Leroy Chiao
Template:Flagicon Salizhan Sharipov
28 March 2005
06:25
28 March 2005
10:55
4 hours, 30 minutes
Installed navigational and communications equipment for the arrival of the first Automated Transfer Vehicle (ATV), and deployed an 11-pound Russian Nanosatellite.<ref name="Exp10-1"/><ref name="SR516">Template:Cite web</ref>
59. STS-114
EVA 1
Template:Flagicon Soichi Noguchi
Template:Flagicon Stephen K. Robinson
30 July 2005
09:48
30 July 2005
17:36
6 hours, 50 minutes
Demonstrated shuttle thermal protection repair techniques and enhancements to the Station's attitude control system. installed a base and cabling for an External Stowage Platform, rerouted power to Control Moment Gyroscope-2 (CMG-2), retrieved two exposure experiments, and replaced a faulty global positioning system antenna on the station.<ref name="SR 114-9">Template:Cite web</ref>
60. STS-114
EVA 2
Template:Flagicon Soichi Noguchi
Template:Flagicon Stephen K. Robinson
1 August 2005
08:42
1 August 2005
15:56
7 hours, 14 minutes
Removed faulty CMG-1 from the Z1 truss, installed faulty CMG-1 into Discovery's payload bay, and installed new CMG-1 onto the Z1 truss segment.<ref name="SR 114-13">Template:Cite web</ref><ref name="spacecom">Template:Cite news</ref>
61. STS-114
EVA 3
Template:Flagicon Soichi Noguchi
Template:Flagicon Stephen K. Robinson
3 August 2005
08:48
3 August 2005
14:49
6 hours, 01 minute
Photographed and inspected Discovery’s heat shield, removed two protruding gap fillers from between tiles in the forward area of the orbiter's underside, and installed amateur radio satellite PCSAT2.<ref name="SR 114-17">Template:Cite web</ref>
62. Expedition 11
EVA 1
*
Template:Flagicon Sergei Krikalev
Template:Flagicon John L. Phillips
18 August 2005
19:02
19 August 2005
00:00
4 hours, 58 minutes
Retrieved one of three canisters from the Biorisk experiment, removed Micro-Particles Capturer experiment and Space Environment Exposure Device from Zvezda, retrieved Matroska experiment, installed an Automated Transfer Vehicle (ATV) docking television camera.<ref name="Exp11-1">Template:Cite web</ref><ref name="SR5-40">Template:Cite web</ref>
63. Expedition 12
EVA 1
Template:Flagicon William S. McArthur
Template:Flagicon Valery Tokarev
7 November 2005
15:32
7 November 2005
20:54
5 hours, 22 minutes
Installed and set up the P1 Truss camera, retrieved a failed Rotary Joint Motor Controller (RJMC), jettisoned a Floating Potential Probe, and removed and replaced a remote power controller module on the Mobile Transporter. First Quest airlock-based spacewalk since April 2003.<ref name="SR5-55">Template:Cite web</ref>

2006

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2007

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2008

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2009

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2010

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2011

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2012

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2013

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2014

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2015

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2016

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2017

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2018

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2019

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2020

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2021

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2022

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2023

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2024

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2025

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Planned

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*denotes spacewalks performed from the Pirs docking compartment in Russian Orlan suits.
^denotes spacewalks performed from the Poisk module in Russian Orlan suits.
denotes spacewalks performed from the visiting space shuttle's airlock.
denotes the one EVA and one IVA performed from the transfer compartment at the forward end of the Zvezda Service Module.
All other spacewalks were performed from the Quest airlock.
ISS Expedition spacewalks are separated from shuttle spacewalks by a separator.

A photograph of a long, white mechanical arm stretching out above a mostly blue planet displaying white clouds and brown terrain all under a black expanse
A photograph of a person in a white suit with a rectangular blue patch with a yellow cross on it on his left shoulder all in front of a blue-and-white background
A photograph of a man in a white suit looking at the viewer and waving with his right hand while gripping a brown bar with his left hand
A photograph of a man in a white suit attached to a silver mechanical object by way of a cord labelled "2.8" in black letters on a white tag
Stephen Robinson participates in the third spacewalk during STS-114. European Space Agency astronaut Christer Fuglesang participates in the second spacewalk of STS-116. Steven Swanson waves to Patrick G. Forrester during the third EVA of STS-117. Robert L. Behnken on the third spacewalk of STS-123.

See also

References

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