Final shuttle mission astronaut training. NASA astronaut Rex Walheim (STS-135 mission specialist) being lowered into the Neutral Buoyancy Laboratory (

---

Final shuttle mission astronaut training. NASA astronaut Rex Walheim (STS-135 mission specialist) being lowered into the Neutral Buoyancy Laboratory (NBL) in a training version of his Extravehicular Mobility Unit (EMU) spacesuit in preparation for a spacewalk training session. Photographed at NASA's Johnson Space Center, Houston, USA, on 22nd March 2011.

---

Size: 4480px × 2987px
Photo credit: © NASA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 022/03/2011, 2011, 21st, 22, 22nd, activity, adult, america, american, astronaut, camera, caucasian, center, centre, century, crew, crew-member, crew-members, emu, equipment, eva, extravehicular, final, flight, historical, history, houston, human, johnson, lab, lowering, male, man, march, mission, mobility, nasa, nbl, north, people, person, rex, shuttle, space, space-flight, space-suit, space-walk, spaceflight, spacesuit, spacewalk, states, sts-135, submerged, submerging, technological, technology, training, unit, united, usa, walheim, water, white