Chief Master Sgt. Terrence Greene, command chief of Air Mobility Command, looks at a display of simulated explosives during his visit to Little Rock Air Force Base, Arkansas, Oct. 31, 2019. Greene was briefed by Airmen from the 19th Security Forces Squadron and the 19th Civil Engineer Squadron Explosive Ordnance Disposal team regarding a Joint training exercise they recently participated in to simulate conditions in a contested environment. (U.S. Air Force photo by Airman 1st Class Jayden Ford)