Airmen from the 374th Aircraft Maintenance Squadron

Airmen from the 374th Aircraft Maintenance Squadron monitor the instrument readings while communicating with the flying crew chief via radio during an aircraft refueling process at Operation Christmas Drop 2018 at Andersen Air Force Base, Guam, Dec. 9, 2018. OCD serves as a training platform for the U.S. Air Force and its partners to better train for humanitarian assistance and disaster relief through the use of Low-Cost, Low-Altitude airdrops on unsurveyed drop zones throughout the Pacific. (U.S. Air Force photo by Senior Airman Matthew Gilmore)