21st Field Artillery Regiment (United States)

The 21st Field Artillery Regiment is an Field Artillery regiment of the United States Army first formed in 1916.

History
The 21st Field Artillery was Constituted 1 July 1916 in the Regular Army.

Lineage
Constituted 1 July 1916 in the Regular Army as the 21st Field Artillery

Organized 1 June 1917 at Camp Wilson, Texas

Assigned 12 December 1917 to the 5th Division

Relieved 4 November 1920 from assignment to the 5th Division

Inactivated 23 September 1921 at Camp Bragg, North Carolina

Assigned 24 March 1923 to the 9th Division

Relieved 1 January 1930 from assignment to the 9th Division and assigned to the 5th Division (later redesignated as the 5th Infantry Division)

Activated 6 October 1939 at Fort Knox, Kentucky

Reorganized and redesignated 1 October 1940 as the 21st Field Artillery Battalion

Inactivated (less Batteries B and C) 20 September 1946 at Ladd Field, Alaska (Batteries B and C concurrently inactivated at Camp Campbell, Kentucky)

Activated 3 June 1948 at Fort Jackson, South Carolina

Inactivated 30 April 1950 at Fort Jackson, South Carolina

Activated 1 March 1951 at Indiantown Gap Military Reservation, Pennsylvania

Inactivated 1 September 1953 at Indiantown Gap Military Reservation, Pennsylvania

Activated 25 May 1954 in Germany

Relieved 1 June 1957 from assignment to the 5th Infantry Division; concurrently, reorganized and redesignated as the 21st Artillery, a parent regiment under the Combat Arms Regimental System

Redesignated 1 September 1971 as the 21st Field Artillery

Withdrawn 16 March 1987 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System

Redesignated 1 October 2005 as the 21st Field Artillery Regiment

Distinctive unit insignia
A Gold color metal and enamel device 1 3/32 inches (2.78 cm) in height overall consisting of a shield blazoned: Argent a bend Gules, in base an eagle close of the last gorged with a collar Or bearing a Lorraine cross of the second. On a sinister canton of the second a demi-sun Gold charged with an Aztec banner Vert garnished of the field (for the 3rd Field Artillery).
 * Description

The regiment was formed from the 3rd Field Artillery which is shown on the canton. The red bend denotes artillery support. The eagle with collar, one of the supporters of the arms of St. Mihiel, symbolizes the most important engagement in which the regiment participated.
 * Symbolism

The distinctive unit insignia was originally approved for the 21st Field Artillery Regiment on 27 November 1939. It was redesignated for the 21st Field Artillery Battalion on 13 December 1940. The insignia was redesignated for the 21st Artillery Regiment on 30 August 1957. Effective 1 September 1971, the insignia was redesignated for the 21st Field Artillery Regiment.
 * Background

Coat of arms
Argent a bend Gules, in base an eagle close of the last gorged with a collar Or bearing a Lorraine cross of the second. On a sinister canton of the second a demi-sun Gold charged with an Aztec banner Vert garnished of the field (for the 3rd Field Artillery). On a wreath of the colors Argent and Gules, a dolphin embowed Argent. Motto PROGRESSI SUNT (They Have Advanced).
 * Blazon
 * Shield
 * Crest

The regiment was formed from the 3rd Field Artillery which is shown on the canton. The red bend denotes artillery support. The eagle with collar, one of the supporters of the arms of St. Mihiel, symbolizes the most important engagement in which the regiment participated. The dolphin represents overseas service.
 * Symbolism
 * Shield
 * Crest

The coat of arms was originally approved for the 21st Field Artillery Regiment on 5 February 1921. It was amended to correct the blazon on 20 May 1921. It was redesignated for the 21st Field Artillery Battalion on 13 December 1940. The insignia was redesignated for the 21st Artillery Regiment on 30 August 1957. Effective 1 September 1971, the insignia was redesignated for the 21st Field Artillery Regiment.
 * Background

Current configuration

 * 1st Battalion 21st Field Artillery Regiment (United States)
 * 2nd Battalion 21st Field Artillery Regiment (United States)
 * 3rd Battalion 21st Field Artillery Regiment (United States)
 * 4th Battalion 21st Field Artillery Regiment
 * 5th Battalion 21st Field Artillery Regiment
 * 6th Battalion 21st Field Artillery Regiment (United States)

Campaign Participation Credit
World War I: St. Mihiel; Lorraine 1918

World War II: Normandy; Northern France; Rhineland; Ardennes-Alsace; Central Europe

Vietnam: Defense; Counteroffensive; Counteroffensive, Phase II; Counteroffensive, Phase III; Tet Counteroffensive; Counteroffensive, Phase IV; Counteroffensive, Phase V; Counteroffensive, Phase VI; Tet 69/Counteroffensive; Summer-Fall 1969; Winter-Spring 1970; Sanctuary Counteroffensive; Counteroffensive, Phase VII; Consolidation I; Consolidation II; Cease-Fire

Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait

War on Terrorism: Campaigns to be determined

Decorations
Presidential Unit Citation (Army) for PLEIKU PROVINCE

Valorous Unit Award for FISH HOOK

Meritorious Unit Commendation (Army) for VIETNAM 1967

Meritorious Unit Commendation (Army) for SOUTHWEST ASIA 1990-1991