Chaperones and students from St. Joseph's Catholic School in Devils Lake, N.D., take a tour of the military vehicles and aircraft that make up the outdoor museum outside the main gate at Grand Forks Air Force Base, N.D., April 26, 2013. The base offers tours each Friday from March through October.
Staff Sgt. Luis Loza Gutierrez
Taken on 26 April 2013
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