KC-135 Refurbishment
(from left) Master Sgt. Bryan Shifflett, 452nd Maintenance Squadron, Col . Karl McGregor, 452nd Air Mobility Wing commander, and Col. Robert Stormes, 452nd Maintenance Squadron, exchange a laugh during a tour of a newly refurbished KC-135 Stratotanker at March Air Reserve Base, Calif., July 18, 2011. This first refurbishment took about 25 working days, but the refurbishment program took nearly three years to implement. (U.S. Air Force photo/Megan Just)