LANGLEY AIR FORCE BASE, Va. -- Staff Sgt Cristina Sullivan, 633d Force Support Squadron fitness center specialist pushes weights to the goal during the May fitness month extravaganza obstacle course, at the shellbank fitness center track May 1. The month long celebration of fitness, held annually, is combined this year with The Year of the Air Force Family, promoting awareness of different activities families can perform together outside of the fitness center. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)