Airmen in the fuels and onboard inert gas generating system training course learn how the fuels system of an F-22 Raptor works Feb. 2 at the 372nd Training Squadron. Airmen from Joint Base Langley-Eustis, Va.; Joint Base Elmendorf-Richardson, Alaska; and Joint Base Pearl Harbor-Hickam, Hawaii, come to Tyndall to train with this system. (U.S. Air Force photo by Airman 1st Class Sergio A. Gamboa/Released)