We are the 1st U.S. including the 1st U.S. Inf. , 1st U.S. Cavalry, 1st U.S. Arty, And of course rifles. Also known as the 1st U.S.R or 1st U.S. or 1st RR (Rifle Regiment).
Just reserving my name just in case usnavy brings the mod back I attended and loved those events.