A British Royal Air Force Typhoon, U.S. Air Force F-22 Raptor and French air force Rafale fly in formation as part of a Trilateral Exercise held at Langley Air Force Base, Va., Dec. 7, 2015. The 5th generation aircraft involved in the exercise are the most technologically advanced assets in the world today. (U.S. Air Force photo by Senior Airman Kayla Newman)