"15th Infantry Regiment's" . . . "15th" . "1-15 Infantry" . . "15th United States Infantry" . . . . . . "15th U.S. Infantry (6 companies)" . . . . "3rd Battle Group, 15th Infantry" . . . . "15th Regiment of Infantry" . . . . "2nd Battalion, 15th U.S. Infantry" . . . "Regiment" . . "Dragon" . . . "15th Reg. U.S. Infantry" . . "15th Regiment" . . "15th Infantry Regiment, US Army" . . . "15th Infantry Regiment (United States)" . . . . . "15th US Infantry Regiment" . . "15th U.S. Infantry (9 companies)" . "U.S. 15th Infantry Regiment" . . . . "15th Infantry Regiment (US Army)" . . "1st Battalion
15th Infantry Regiment" . "15th Regiment Infantry U.S. Colored Troops" . . . . . "15th U.S." . "Task Force 1-15 IN" . . . . . . . "15th Infantry Regiment (United States)" . "1800" . . . "15th Battalion" . . "Task Force 1-15 Infantry" . "15th U.S. Infantry" . . . . "15th Infantry Regiment" . . "100px" . . "1798" . . "1st Battalion, 15th Infantry Regiment" . . "(3rd Battalion)" . . . . . . . . . . . . "Fifteenth Infantry" . . "15th Infantry Regiment (Reinforced)" . . . . . . . "Can Do" . . . . . "15th United States Infantry Regiment" . "1st Battalion, 15th U.S. Infantry" . "15th New York Volunteer Infantry Regiment" . "Fifteenth Infantry Regiment" . . . "Combined Arms" . "15th Regiment, U.S. Infantry" . . . . . . "1\u201315th Infantry" . . . . . . "15th Infantry" . . . . . . . "15th Infantry Regiment, United States Army" . . "15th Regimental Combat Team" . . . . "1-15 IN" . . "15th United States" . . "1861" . . . "15th U.S. Infantry Regiment" . . . . "15th Regiment U.S. Infantry" . . . . . . .