A much larger plane, the C-17 Globemaster III, makes its approach to a KC-135 during a routine flight over California in October 2010. Some Stratotankers have been modified for other missions, including reconnaissance and command post duties.
February 25, 2011 1:14 PM PST
Photo by: U.S. Air Force photo by Linda Welz
| Caption by: Jonathan Skillings
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