Senior Airman Andrew Lawrence, 66th Training Squadron water survival instructor, conducts non-ejection water survival class at Fairchild Air Force Base, Wash., on April 26, 2011. The course lasts two days and includes instruction in signaling rescue aircraft, hazardous aquatic life, food and water procurement, medical aspects of water survival and life raft procedures. (U.S. Air Force Photo/Tech. Sgt. J.T. May III)