A student of the Fort Bliss Air Assault Training Program serves as a belayer, removing slack from underneath a UH-60 Black Hawk helicopter of the 3rd Battalion, 501st Aviation Regiment, Combat Aviation Brigade, 1st Armored Division, as another student rappels during a training exercise at Fort Bliss, Texas, April 21, 2015. The rappel class is one of the final tests during the 10-day Fort Bliss Air Assault Training Program, and the Apocalypse assault helicopter battalion helps familiarize the trainees – many of whom have never flown on a helicopter before – with the Black Hawk. (U.S. Army photo by Sgt. Alexander K. Neely, Combat Aviation Brigade Public Affairs, 1st Armored Division)