Test Prep Airmen prepare a test cell before starting an F-15E Strike Eagle engine at Royal Air Force Lakenheath, England, March 17, 2021. Each engine is tested and monitored to ensure it is safe for flight before being installed into the aircraft. SHARE IMAGE: Download Image: Full Size (0.12 MB) Tags: Air Force Photo By: Air Force Senior Airman Madeline Herzog VIRIN: 210317-F-ZB805-0096C.JPG Photo Gallery