Dyna Nam, a contracted mechanic, performs maintenance on a customer's vehicle on a lift at the Auto Skills Shop at Langley Air Force Base, Va., Nov. 5, 2013. The Auto Skills Shop's staff of three full-time mechanics performs a variety of automotive repair services on weekdays from 8 a.m. to 5:30 p.m. (U.S. Air Force photo by Senior Airman Jason J. Brown/Released)