
Yohan Lin, Airvolt integration lead, prepares the electric propulsion test stand.

The equipment required for an electric propulsion test is ready for research.

The second and final qualification motor (QM-2) test for the Space Launch System’s booster is seen, Tuesday, June 28, 2016,…

The electric propulsion system to be tested is secured at the top of the Airvolt test stand and instrumented to…

The Expedition 48-49 prime and backup crew members conduct the traditional raising of the Russian, Japanese, American and Kazakh flags…

Expedition 48-49 crew members listen to remarks June 26 during the traditional raising of the American, Russian, Japanese and Kazakh…

Expedition 48-49 crew members answer reporters’ questions June 26 as they continue preparations for launch.

Expedition 48-49 backup crew members pose for pictures in front of a mural depicting planets during a tour of a…

The second and final qualification motor (QM-2) test for the Space Launch System’s booster is seen, Tuesday, June 28, 2016,…

The second and final qualification motor (QM-2) test for the Space Launch System’s booster is seen, Tuesday, June 28, 2016,…