The U.S. Marine Corps Commandant's Own Drum and Bugle Corps with Marine Barracks, Washington D.C., perform a unique precision drill movement aboard Marine Corps Air Station Yuma, Ariz., March 7, 2013. Each year the detachment travels worldwide to demonstrate the discipline, professionalism and "Esprit De Corps" of the U.S. Marine Corps. (U.S. Marine Corps Photo by Cpl. Ken Kalemkarian/Released)
Ken Kalemkarian
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