# Sellers translating along truss during EVA-3 on STS-121

- By: NASA
- Date: Taken on 12 July 2006
- Classification: Photograph
- Credit line: \[1\]
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Sellers_translating_along_truss_during_EVA-3_on_STS-121.jpg)
- Rights: Public domain
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Sellers_translating_along_truss_during_EVA-3_on_STS-121.jpg/1920px-Sellers_translating_along_truss_during_EVA-3_on_STS-121.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Astronaut Piers J. Sellers, NASA's STS-121 mission specialist, translates along a truss on the International Space Station during the mission's third and final session of extravehicular activity (EVA) while Space Shuttle Discovery was docked with the station.