Flight Ops An Air Force F-15E Strike Eagle taxis on the flight line at Royal Air Force Lakenheath, England, March 12, 2020, during Valiant Liberty. The exercise aims to enhance professional relationships and improve overall coordination among air and ground forces. SHARE: Download: Full Size (0.77 MB) Tags: Air Force, Training, Valiant Liberty Credit: Air Corps Airman 1st Class Madeline Herzog VIRIN: 200312-F-ZB805-0049C.JPG Photo Gallery