AFSO 21
Airman 1st Class Adrian Bozeman, an aerospace ground equipment apprentice with the 437th Maintenance Squadron AGE flight at Charleston Air Force Base, S.C., adds oil to a self-generating nitrogen servicing cart during a yearly inspection. Officials in the 437th MXG continue to look for ways to streamline maintenance tasks using the AFSO 21 process. (U.S. Air Force photo/Staff Sgt. Jennifer Arredondo)