Latrese Grant, a military spouse, and U.S. Army 1st Sgt. Elise Navarrete, 235th Signal Brigade first sergeant, perform push presses together during a Functional Fitness Program “CrossFit” class at Anderson Field House on Fort Eustis, Va., June 24, 2013. Classes teach short-functional movements that are used in everyday life, such a squatting, pushing and pulling. (U.S. Air Force photo by Tech. Sgt. April Wickes/Released)