STS_135_Russia

NASA astronaut Chris Ferguson undergoes a fit check of his Sokol space suit at the Zvezda facility on Tuesday, March 29, 2011, in Moscow. The crew of the final shuttle mission traveled to Moscow for a suit fit check of their Russian Soyuz suits that will be required in the event of an emergency.   ( NASA Photo / Houston Chronicle, Smiley N. Pool )

JSC2011-E-040319 (29 March 2011) --- NASA astronaut Chris Ferguson, STS-135 commander, undergoes a fit check of his Sokol spacesuit at the Zvezda facility in Moscow, Russia on March 29, 2011. The crew of the final shuttle mission traveled to Moscow for a suit fit check of their Russian Sokol suits which would be required in the event of an emergency. Photo credit: NASA Photo/Houston Chronicle, Smiley N. Pool

Photographer Smiley N. Pool