U.S. Air Force Airman 1st Class Spencer Chambers, 1st Maintenance Squadron Metals Technology aircraft metals technologist, uses a machine to punch a hole in a piece of metal at Langley Air Force Base, Va., Feb. 19, 2013. In this shop, there is always something new or different to work on, giving these Airmen plenty of chances to get creative, while cost-effectively supporting the Langley mission. (U.S. Air Force photo by Senior Airman Teresa Aber/Released)