Staff Sgt. Kenneth Renfrow, 19th Maintenance Group maintenance qualifications training instructor, uses a virtual reality headset at Little Rock Air Force Base, Ark., Dec. 19, 2019. Initially, each VR unit will have a virtual hangar where the trainee can complete one of five tasks. Among the tasks, which are based on necessities and pre-established training opportunities, are propeller, tire and brake replacement. (U.S. Air Force photo by Airman 1st Class Aaron Irvin)