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Defense Secretary James N. Mattis walks with Air Force Gen. Lori Robinson at Peterson Air Force Base in Colorado.

Mattis Arrival

Defense Secretary James N. Mattis is greeted by Air Force Gen. Lori Robinson, commander of U.S. Northern Command and North American Aerospace Defense Command, as he arrives at Peterson Air Force Base, Colo., May 22, 2018. Air Force photo by Senior Airman Dennis Hoffman

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Tags: James N. Mattis, SecDef, Travels

Photo by: Senior Airman Dennis Hoffman | VIRIN: 180523-D-XT155-006.JPG

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