Unseen Business
Staff Sgt. Richard Haley, 4th Component Maintenance Squadron, repairs an F-15E Strike Eagle antenna on Seymour Johnson Air Force Base, N.C., March 10, 2009. While Airmen in the 4th Aircraft Maintenance Squadron perform maintenance on the flightline, 4th CMS Airmen perform their work in back-shops, off the flightline. (U.S. Air Force photo by Airman 1st Class Rae Perry)