U.S. Air Force Maj. Kevin Bunten, 480th Fighter Squadron Assistant Director of Operations, scales the ladder of his F-16 Fighting Falcon before flying a low-level training sortie at RAF Lossiemouth, Scotland, May 7, 2019, during exercise Formidable Shield. Formidable Shield is a U.S.-led exercise, conducted by Naval Striking and Support Forces NATO. The purpose of the training is to improve allied interoperability in a live-fire integrated air and missile defense exercise. (U.S. Air Force photo by Master Sgt. Austin M. May)