U.S. Air Force Col. Pete Fesler, the commander of the 1st Fighter Wing, receives a tour of a British Royal Air Force (RAF) Typhoon cockpit at Langley Air Force Base, Va., Dec. 3, 2015. The Trilateral Exercise, which the RAF, U.S. Air Force and French air force are participating in, will be used for the allies to share and develop air tactics, techniques and procedures. (U.S. Air Force photo by Airman 1st Class Derek Seifert)