No easy day at the pool
Staff Sgt. Wilma Alvarez climbs into a 20-person life raft during during water survival refresher training recently at the natatorium indoor pool at Yokota Air Base, Japan. Survival, evasion, resistance, and escape specialists teach the course to aircrew members at least once every three years. Sergeant Alvarez is a loadmaster with the 36th Airlift Squadron. (U.S. Air Force photo/Osakabe Yasuo)