Laying the floor work
U.S. Air Force Airmen and U.S. Army Soldiers lay mats on the floor in the new cross function fitness area at the Haeffner Fitness Center on Davis-Monthan Air Force Base, Ariz., Dec. 27, 2012. The Airmen and Soldiers volunteered to put the mats in place in response to a request for help from U.S. Air Force Maj. Gregory Stack, 355th Fighter Wing executive officer. (U.S. Air Force photo by Senior Airman Timothy Moore/Released)