1st Infantry Regiment (United States)

1st Infantry Regiment
Coat of arms of the 1st Infantry Regiment
Active	1791–1949 1950–present
Allegiance	United States
Branch	United States Army
Type	Infantry
Role	Light/mechanized infantry
Size	Regiment
Garrison/HQ	1st Bn – West Point, NY 2nd Bn – Joint Base Lewis–McChord, WA
Motto(s)	Semper Primus ("Always First")
Engagements	Northwest Indian War War of 1812 Mexican–American War Civil War Spanish–American War Siege of Santiago Philippine–American War World War II Vietnam War Iraq War War in Afghanistan (2001–2021)
Commanders
Current commander	1st Bn – LTC Thomas M. Bischof 2nd Bn – LTC John "Rocky" Rhodes
Notable commanders	Josiah Harmar Arthur St. Clair James Wilkinson Zachary Taylor William Weigel Benjamin A. Poore
Insignia
Distinctive unit insignia

The 1st Infantry Regiment is a regiment of the United States Army that draws its lineage from a line of post American Revolutionary War units and is credited with thirty-nine campaign streamers. The 1st Battalion, 1st Infantry is assigned as support to the United States Military Academy at West Point, New York and to furnish the enlisted garrison for the academy and the Stewart Army Subpost. 2nd Battalion, 1st Infantry Regiment is an infantry component serving with the 2nd Stryker Brigade, 2nd Infantry Division at Joint Base Lewis–McChord, Washington.