A British Royal Air Force (RAF) Typhoon and U.S Air Force F-22 Raptor prepare to takeoff at Langley Air Force Base, Va., Dec. 7, 2015. The U.S., RAF and French air force are conducting a Trilateral Exercise to share and develop training, tactics and procedures, enabling interoperability among allies. (U.S. Air Force photo by Senior Airman Kayla Newman)