U.S. Army Staff Sgt. Kollister Williams II, a senior instrumentalist with the U.S. Army Training and Doctrine Command band, takes notes during practice at Fort Eustis, Va., March 10, 2016. The ensemble can trace its roots to the Band, 2nd Coast Artillery, which was originally organized April 30, 1931. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)