Crew chiefs assigned to the 380th Expeditionary Aircraft Maintenance Squadron remain with their E-3 Sentry Airborne Warning and Control System aircraft until it taxis for takeoff on Al Dhafra Air Base, United Arab Emirates, June 26, 2019. Crew chiefs remain on standby to counter any maintenance issues that may come up during the flight crew’s checks and marshal the aircraft when ready. (U.S. Air Force photo by Tech. Sgt. Jocelyn A. Ford)