
Astronaut John H. Glenn Jr. in his silver Mercury spacesuit during pre- flight training activities at Cape Canaveral.

The Alternative Fuel Effects on Contrails and Cruise Emissions, or ACCESS II, research campaign now underway in California involves ground…

The Soyuz TMA-11M spacecraft's docking probe is seen just after separation from the International Space Station.

The Soyuz TMA-11M spacecraft's docking probe is seen just after separation from the International Space Station.

A sokol suit helmet can be seen against the window of the Soyuz TMA-11M capsule shortly after the spacecraft landed…

Flight Director Dina Contella (foreground) and Orbit 3 CAPCOM Christie Bertels are involved in the undocking of the Soyuz TMA-11M.

Norm Knight, chief of the Flight Director Office at the Johnson Space Center, monitors activities aboard the International Space Station…

Flight Directors Dina Contella and Tomas Gonzalez-Torres look at monitors in the space station flight control room.

CAPCOM Christie Bertels talks with Expedition 39 and 40 crew members involved in the undocking of the Soyuz TMA-11M.

A typical model test using the NASA Ames 60-MW arc heater. For More specifications, see Arc Jets