U.S. Air Force Capt. John Grucella, 93d Air Ground Operations Wing air liaison officer (ALO) aptitude assessment (AAA) Phase II program manager, demonstrates inflating his Airman Battle Uniform (ABU) top for floatation during an AAA for ALO candidates at Moody Air Force Base, Ga., March 14, 2014. Of the 38 candidates, 12 were considered to be water confident based on their performances during the various physical and mental challenges. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)