Soldiers from the 7th Sustainment Brigade Salute Battery fire 35-millimeter cannons during the Independence Day celebration at Seay Plaza, Ft. Eustis, Va., July 4, 2012. One shot was fired for each state in the union. As the rounds were fired, a narrator announced the name and date of accession of each state. (U.S. Air Force photo by Senior Airman John D. Strong II/Released)