Chris Holt, all-purpose general mechanic assigned to

Chris Holt, all-purpose general mechanic assigned to the 97th Maintenance Group, lowers the ramp of a U.S. Air Force C-17 Globemaster III, January 31, 2018, at Altus Air Force Base, Okla. The maintenance work force at Altus AFB is entirely composed of civilians, many of which come from Air Force backgrounds and others coming from the Grow Your Own Mechanic program. (U.S. Air Force photo by Airman 1st Class James Johnson)