An F-15E Strike Eagle assigned to the 492nd Fighter Squadron takes off at Royal Air Force Lakenheath, England, April 21, 2020. The F-15E Strike Eagle navigation system uses a laser gyro and a Global Positioning System to continuously monitor the aircraft's position and provide information to the central computer and other systems, including a digital moving map in both cockpits. (U.S. Air Force photo by Airman 1st Class Rhonda Smith)