Angel Thunder rescuers get acquainted with the Black Hawk
Arizona Army National Guard Staff Sgt. Philip Ryan, 2/285th Assault Helicopter Battalion crew chief, familiarizes Exercise Angel Thunder participants with a UH-60 L Black Hawk helicopter from the 2/285th Assault Helicopter Battalion, 98th Aviation Troop Command, an Arizona National Guard unit out of Phoenix, Ariz., at Davis-Monthan Air Force Base, Ariz., May 5, 2014. Angel Thunder provides the most realistic personnel recovery training environment available to more than 2,700 U.S. Air Force rescue forces, as well as their joint, interagency and international partners to engage in a variety of personnel recovery scenarios. (U.S. Air Force Photo by Airman 1st Class Chris Massey/Released)