No ground power, no air power
Senior Airman Justin Graham, a 49th Maintenance Squadron Aerospace Ground Equipment technician, reads a technical order prior to performing maintenance on an air conditioning unit at Holloman Air Force Base, N.M., on Jan. 12, 2017. Holloman’s AGE Airmen perform a wide variety of maintenance duties in support of aircraft maintenance and flying operations. (U.S. Air Force photo by Airman 1st Class Alexis P. Docherty)