U.S. Air Force Chief Master Sgt. Terrence Greene, Air Mobility Command (AMC) command chief, receives a brief from a 421 Combat Training Squadron instruction on rollover training students receive from the U.S. Air Force Expeditionary School at the U.S. Air Force Expeditionary Center at Joint Base McGuire-Dix-Lakehurst, New Jersey, June 18, 2019. The rollover simulator provides students realistic training that allows them to respond in contingency situations. (U.S. Air Force photo by Tech. Sgt. Ashley Hyatt)