Senior Airman Christopher Hawkins and Airman 1st Class Eric Campbell, 4th Aircraft Maintenance Unit aerospace propulsion journeymen, review tactical orders before performing maintenance on an AC-130U Spooky Gunship at Hurlburt Field, Fla., May 16, 2014. The 4th AMU helps generate nearly 20 training mission flights each week. (U.S. Air Force photo/Senior Airman Christopher Callaway)