Fueling Up

A KC-135 Stratotanker from the Nebraska Air National Guard's 155th Air Refueling Wing passes fuel to a B-2 Spirit May 22, 2012, over Southern Colorado. The KC-135, first deployed in 1956, is one of the Air Force's longest serving aircraft type. The B-2 fleet is one of the Air Force's youngest, reaching initial operational capability in 1997. Together, these two aircraft and their crews allow the Air Force to reach targets across the globe in a matter of hours. (U.S. Air Force photo/Duncan Wood)

A KC-135 Stratotanker from the Nebraska Air National Guard's 155th Air Refueling Wing passes fuel to a B-2 Spirit May 22, 2012, over Southern Colorado. The KC-135, first deployed in 1956, is one of the Air Force's longest serving aircraft type. The B-2 fleet is one of the Air Force's youngest, reaching initial operational capability in 1997. Together, these two aircraft and their crews allow the Air Force to reach targets across the globe in a matter of hours. (U.S. Air Force photo/Duncan Wood)