77th Artillery Regiment (United States)

77th Field Artillery Regiment
Coat of arms
Active	1916
Country	United States
Branch	Army
Type	Field artillery
Motto(s)	"En Garde" (On Guard)
Insignia
Distinctive unit insignia

The 77th Field Artillery Regiment is a field artillery regiment of the United States Army. First constituted 1916 in the Regular Army as a cavalry regiment. Reorganized in 1917 as field artillery and given its current designation.

Constituted 1 July 1916 in the Regular Army as the 19th Cavalry

Organized 23 May-11 June 1917 at Fort Ethan Allen, Vermont

Converted and redesignated 1 November 1917 as the 77th Field Artillery

Assigned 19 November 1917 to the 4th Division

Inactivated 21 September 1921 at Camp Lewis, Washington

Relieved 24 March 1923 from assignment to the 4th Division and assigned to the 7th Division

Relieved 1 January 1930 from assignment to the 7th Division and assigned to the 4th Division

(1st Battalion activated 1 January 1935 at Fort Sill, Oklahoma)

Activated (less 1st Battalion) 1 November 1935 at Fort D. A. Russell, Texas

Relieved 16 October 1939 from assignment to the 4th Division

Regiment broken up 24 February 1944 and its elements reorganized and redesignated as follows: Headquarters and Headquarters Battery as Headquarters and Headquarters Battery, 77th Field Artillery Group; 1st and 2d Battalions as the 634th and 631st Field Artillery Battalions, respectively

After 24 February 1944 the above units underwent changes as follows:

Headquarters and Headquarters Battery, 77th Field Artillery Group, inactivated 25 September 1945 in Italy Activated 27 August 1951 at Fort Sill, Oklahoma Inactivated 25 September 1956 at Fort Sill, Oklahoma

634th Field Artillery Battalion redesignated 15 May 1945 as the 77th Field Artillery Battalion Inactivated 4 January 1946 at Camp Kilmer, New Jersey

Headquarters and Headquarters Battery, 77th Field Artillery Battalion, redesignated 1 August 1946 as the 77th Field Artillery Battery and activated at Fort Winfield Scott, California (organic elements of the 77th Field Artillery Battalion concurrently disbanded) 77th Field Artillery Battery inactivated 25 November 1946 at Fort Winfield Scott, California Redesignated 19 March 1948 as the 77th Armored Field Artillery Battery Redesignated 1 February 1949 as the 77th Field Artillery Battery and activated in Austria Inactivated 31 July 1955 in Austria Redesignated 20 December 1956 as Headquarters and Headquarters Battery, 634th Field Artillery Rocket Battalion (organic elements of former 77th Field Artillery Battalion concurrently reconstituted as elements of the 634th Field Artillery Rocket Battalion) Battalion activated 1 January 1957 at Fort Hood, Texas Inactivated 26 June 1958 at Fort Hood, Texas