F-22 Raptors from the 95th Fighter Squadron conduct air-to-air training with F-15E Strike Eagles from the 494th Fighter Squadron April 11, at Royal Air Force Lakenheath, England. The training allows the perfect opportunity for the advanced aircraft to train alongside other U.S. Air Force aircraft, joint partners and NATO allies. (U.S. Air Force photo/ Tech. Sgt. Matthew Plew)