A B-17G Flying Fortress and a B-52H Stratofortress fly in a heritage
flight formation on Saturday, May 13 during the 2006 Defenders of
Liberty Airshow at Barksdale Air Force Base, La. These two aircraft
represent 70 years of "fortresses." It was the first time in 50 years
that they flew together in formation. (U.S. Air Force photo/Master Sgt.
Michael A. Kaplan)
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