Keegan Hall, 12, breathes through an oxygen mask, Oct. 29, 2010, in the F-22 Raptor egress procedure trainer at Joint Base Elmendorf-Richardson with the help of Tech. Sgt. Chelsea De La Fuente. Sergeant DeLa Fuente is with the Aircrew Flight Equipment Flight, 3rd Operations Support Squadron. (U.S. Air Force photo/David Bedard)