WRIGHT-PATTERSON AIR FORCE BASE, Ohio – Mr. Charles Gibson, 97th Air Mobility Wing, Altus Air Force Base Okla., talks about the pre-flight checklist with Tech. Sgt. Keric Johnson, Tech Sgt. Thomas Graham, and Master Sgt. John Cummings, of the C-17 Globemaster III all from the 445th Maintenance Group. (U.S. Air Force Photo/ Staff Sgt. Amanda Duncan)