U.S. Air Force Senior Airman Joshua Brown, 1st Maintenance Squadron aerospace ground equipment journeyman, performs preventive maintenance on a bomb lift at Langley Air Force Base, Virginia, Sept. 9, 2015. Along with bomb lifts, AGE technicians work on motor and engine-driven generator sets, air conditioners, hydraulic test stands, air compressors and heaters. (U.S. Air Force photo by Senior Airman Kayla Newman)