AWACS
U.S. Air Force Senior Airman Jonathan Jones, 552nd Aircraft Maintenance Squadron electrical and environmental technician, services liquid oxygen for pressurization on an E-3 Sentry during the Airborne Warning and Control System World Tour at Joint Base Pearl Harbor-Hickam, Hawaii, Sept. 17, 2019. Over 30 highly skilled Airmen ensured mission success by practicing their particular skill sets, to include: pilots, boom operators, flying crew chiefs, battlefield managers, radar, weapon and communication technicians. (U.S. Air Force photo by Senior Airman Jesenia Landaverde)