Air Education and Training Command Command Chief Master Sgt. Juliet Gudgel uses augmented reality goggles used for enhance aircraft engine maintenance training at the 361st Training Squadron during a visit to Sheppard Air Force Base, Texas, Jan. 31, 2019. The chief said Sheppard is on the leading edge of using such technology in technical and pilot training, part of the innovation initiative encouraged by AETC. (U.S. Air Force photo by John Ingle)