U.S. Air Force Airman 1st Class Jonathan Foster removes the intake covers of a U.S. Air Force F-22 Raptor before a training mission on Nellis Air Force Base, Nev., March 2, 2011. Foster is a crew chief is assigned to the 49th Aircraft Maintenance Squadron. U.S. Air Force Airman 1st Class Jonathan Foster removes the intake covers of a U.S. Air Force F-22 Raptor before a training mission on Nellis Air Force Base, Nev., March 2, 2011. Foster is a crew chief is assigned to the 49th Aircraft Maintenance Squadron. SHARE: Download: Full Size (5.56 MB) Tags: Photo Essays Credit: VIRIN: 153565-P-QDW48-245.jpg Photo Gallery