STS-131 Water Survival Training at NBL.

STS-131 water survival training.  Photo Date: September 17, 2009.  Location: NBL - Pool Topside.  Photographer: Robert Markowitz.

JSC2009-E-208913 (17 Sept. 2009) --- NASA astronaut Alan Poindexter (center), STS-131 commander; along with astronauts Rick Mastracchio (left) and Clay Anderson, both mission specialists, take a brief break for a photo during a water survival training session in the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Poindexter and Anderson are attired in training versions of their shuttle launch and entry suits.