A U.S. Air Force F-16 Fighting Falcon assigned to the 31st Fighter Wing, Aviano Air Base, Italy, prepares to receive fuel over the Mediterranean Sea from a KC-135 Stratotanker assigned to the 100th Air Refueling Wing, RAF Mildenhall, England, during Exercise Tonnerre Lighting Nov. 9, 2016. Tonnerre Lightning is a trilateral exercise with France and the U.K. which has taken place biannually since 2014. The training focuses on refining communication procedures while building interoperability capabilities and readiness to conduct combined air operations. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)