LANGLEY AIR FORCE BASE, Va. - Staff Sgt. Cristina Sullivan, 633d Force Support Squadron fitness specialist, and Airman 1st Class Michael Gray, 83d Network Operations Squadron enterprise controller, practice maneuvers during Modern Army Combatives training April 6. For the first time, Langley and Fort Eustis Service members merged in a session of combatives, which is the Army's version of hand-to-hand combat training. (U.S. Air Force photo/ Airman 1st Class Gul Crockett)