Final space shuttle crew training session in the NBL

Photograph final space shuttle crew training session in the NBL with STS-135 Mission Specialists Sandy Magnus & Rex Walheim. STS-135 Commander Chris Ferguson serves as Intravehicular suit-up lead, Pilot Doug Hurley serves as robotic arm operator. Mission Specialists Sandy Magnus & Rex Walheim in the water. Photo Date: June 13, 2011. Location: NBL - Pool Topside. Photographer: Robert Markowitz