NASA astronaut Rex Walheim laughs with his crewmates as STS-135 commander Chris Ferguson gets a refresher on the use of the waste management system on the International Space Station as the crew trains at NASA's Johnson Space Center June 29, 2011. The day's training marked the crew's final scheduled sessions in the Space Vehicle Mock-up Facility at JSC.
Information
Taken in
Johnson Space Center
Author
NASA Photo/Houston Chronicle, Smiley N. Pool
Description
NASA astronaut Rex Walheim laughs with his crewmates as STS-135 commander Chris Ferguson gets a refresher on the use of the waste management system on the International Space Station as the crew trains at NASA's Johnson Space Center June 29, 2011. The day's training marked the crew's final scheduled sessions in the Space Vehicle Mock-up Facility at JSC.