F-15E Strike Eagle engines tested for safety
U.S. Air Force Staff Sgt. Jesse Howey, 366th Component Maintenance Squadron aerospace propulsion craftsman, and Master Sgt. Chad Jacobsen, engine test cell section chief, looks at a computer during an engine test run, May 5, 2013, at Mountain Home Air Force Base, Idaho. There are three groups of people in different areas completing different tasks, but all work together to ensure the safety of an F-15E Strike Eagle engine. (U.S. Air Force photo by Senior Airman Heather Hayward/Released)