Masoud Rasti, Air Education and Training Command Force Development expert, tests a virtual reality program developed for the 366th Training Squadron's electrical systems apprentice course at Sheppard Air Force Base, TX, April 17, 2018. The program simulates climbing electrical poles and towers in order to gauge an Airman's potential fear of height without ever leaving the ground. (U.S. Air Force photo by Airman Madeleine Remillard)