Magnus operated the space station's robotic arm during the three spacewalks required to install and activate the S1 truss.

[1] From January 29–31, 2006, together with Oleg Artemiev and Michael Barratt, Magnus took part in a two-day examination for the ability to survive in an uninhabited area in case of the Soyuz descent module making an emergency landing.

[4] From September 16–22, 2006, Magnus served as the commander of NASA's NEEMO 11 mission, an undersea expedition at the National Oceanic and Atmospheric Administration's Aquarius laboratory located off the coast of Florida.

Techniques for communication, navigation, geological sample retrieval, construction and using remote-controlled robots on the Moon's surface also were tested.

[7] Other members assigned to that crew were commander Christopher Ferguson, pilot Douglas G. Hurley, and fellow mission specialist Rex J. Walheim.

In January 2011, NASA added STS-135 to the manifest as the final Space Shuttle mission, scheduled to launch in July 2011; STS-134 was conducted successfully in May 2011, requiring no rescue flight.

"[11] Magnus will be joined by former astronaut Chris Hadfield and Chief Scientist of Cubic Corporation David A. Whelan.

This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.