Senior Airman Robert Greear, 28th Maintenance Squadron aerospace ground equipment maintenance mechanic, applies rubber adhesive to a fuel collection funnel at Ellsworth Air Force Base, S.D., Feb. 9, 2012. AGE mechanics repair, inspect and perform preventive maintenance on motors, generators, air conditioners, hydraulic test stands, air compressors, bomb lifts, heaters, and other support equipment. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)