A crew chief assigned to the 380th Expeditionary Aircraft Maintenance Squadron waits in front of the E-3 Sentry on Al Dhafra Air Base, United Arab Emirates, June 26, 2019. The E-3 Sentry Airborne Warning and Control System can provide direct information needed for interdiction, reconnaissance, airlift and close-air support for friendly ground forces. (U.S. Air Force photo by Tech. Sgt. Jocelyn A. Ford)