Royal Australian Air Force Leading Aircraftman David

Royal Australian Air Force Leading Aircraftman David Crummy performs post flight checks during Red Flag-Alaska 15-3 on Joint Base Elmendorf-Richardson, Alaska, Aug. 21, 2015. The post flight check is to ensure the aircraft is mission ready once they land. RF-A is a coalition exercise testing the capabilities of air forces from around the world in high-stakes aerial combat situations. Crummy is assigned to No. 37 Squadron based at RAAF Base Richmond, near Sydney. (U.S. Air Force photo/Staff Sgt. Sheila deVera)