Airman 1st Class Adrian Bozeman adds oil to a self-generating nitrogen servicing cart during a yearly inspection July 30. The 437th Maintenance Squadron Aerospace Ground Equipment Flight;s inventory includes more than 490 pieces of equipment that support Charleston AFB flightline operations. Airman Bozeman is an AGE apprentice with the 437 MXS. (U.S. Air Force photo/Staff Sgt. Jennifer Arredondo)