A U.S. Air Force F-15C Eagle with the 194th Expeditionary Fighter Squadron takes off during Exercise Diamond Storm at Royal Australian Air Force Base (RAAF) Darwin, Australia, May 15, 2019. The 194th EFS used F-15Cs to aid RAAF pilots in offensive counter air training scenarios in support of Australia’s Air Warfare Instructor Course. (U.S. Air Force photo by Staff Sgt. Joshua Edwards)