JSC2011-E-040365 (7 April 2011) --- NASA astronauts, from left, Sandy Magnus, Doug Hurley, Chris Ferguson and Rex Walheim walk to dinner after an informal gathering for the STS-135 Crew Equipment Interface Test (CEIT) at the Fish Lips restaurant near NASA?s Kennedy Space Center in Florida on April 7, 2011. Photo credit: NASA Photo/Houston Chronicle, Smiley N. Pool