NASA astronauts Doug Wheelock, Expedition 24 flight engineer and Expedition 25 commander; and Shannon Walker (left), Expedition 24/25 flight engineer, participate in a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
Information
Taken in
Johnson Space Center
Author
NASA/Robert Markowitz
Description
NASA astronauts Doug Wheelock, Expedition 24 flight engineer and Expedition 25 commander; and Shannon Walker (left), Expedition 24/25 flight engineer, participate in a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.