1st Battalion, 21st Field Artillery Regiment (United States)

1st Battalion, 21st Field Artillery Regiment
21st Field Artillery Regiment Coat of Arms
Active1916–1921; 1923–1946, 1948–1957, 1960–1979, 1986–2014
CountryUnited States
BranchU.S. Army
TypeArtillery
RoleFire support
SizeBattalion
Garrison/HQFort Hood
Nickname(s)"First Strike"
EngagementsWorld War I, World War II
Vietnam War, Desert Storm, Iraqi Freedom, Enduring Freedom
Insignia
21st FAR Distinctive unit insignia

The 1st Battalion, 21st Field Artillery was a field artillery battalion of the United States Army based in Fort Hood, Texas. It was a subordinate unit of the 41st Fires Brigade (United States).