The Presidential Salute Battery (PSB), 3d U.S. Infantry Regiment (The Old Guard), conducts ceremonial training in Arlington National Cemetery, VA, Oct. 27, 2015. The Presidential Salute Battery, founded in 1953, fires cannon salutes in honor of the President of the United States, visiting foreign dignitaries, and official guests of the Unites States. The battery also fires in support of memorial affairs for all military services in Arlington National Cemetery. In addition the battery fires for ceremonies and special events throughout the National Capital Region. The Presidential Salute Battery is the only unit of its kind in the Army, and its busy schedule includes more than 300 ceremonies each year. (U.S. Army photo by Cpl. Cody W. Torkelson)