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Lineage And Honors Information

1st Battalion
503d Infantry Regiment
(The Rock Regiment)

Lineage and Honors Information as of 17 August 2006

1st Battalion
503d Infantry Regiment Lineage

Constituted 14 March 1941 in the Army of the United States as Company A, 503d Parachute Battalion

Activated 22 August 1941 at Fort Benning, Georgia

Consolidated 24 February 1942 with Company A, 503d Parachute Infantry (concurrently constituted in the Army of the United States), and consolidated unit designated as Company A, 503d Parachute Infantry

Inactivated 24 December 1945 at Camp Anza, California

Redesignated 1 February 1951 as Company A, 503d Airborne Infantry, an element of the 11th Airborne Division, and allotted to the Regular Army

Activated 2 March 1951 at Fort Campbell, Kentucky

Reorganized and redesignated 1 March 1957 as Headquarters and Headquarters Company, 1st Airborne Battle Group, 503d Infantry, and remained assigned to the 11th Airborne Division (organic elements concurrently constituted and activated)

Relieved 1 July 1958 from assignment to the 11th Airborne Division and assigned to the 24th Infantry Division

Relieved 7 January 1959 from assignment to the 24th Infantry Division and assigned to the 82d Airborne Division

Relieved 26 March 1963 from assignment to the 82d Airborne Division and assigned to the 173d Airborne Brigade

Reorganized and redesignated 25 June 1963 as the 1st Battalion, 503d Infantry

Relieved 14 January 1972 from assignment to the 173d Airborne Brigade and assigned to the 101st Airborne Division

Inactivated 16 November 1984 at Fort Campbell, Kentucky, and relieved from assignment to the 101st Airborne Division

Assigned 16 December 1986 to the 2d Infantry Division and activated in Korea

Redesignated 1 October 2005 as the 1st Battalion, 503d Infantry Regiment

Inactivated 15 November 2005 at Fort Carson, Colorado, and relieved from assignment to the 2d Infantry Division

Assigned 15 June 2006 to the 173d Airborne Brigade and activated in Italy

1st Battalion
503d Infantry Regiment Honors

Campaign Participation Credit

World War II: * New Guinea; * Leyte; * Luzon (with arrowhead); *Southern Philippines

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

Decorations

*Presidential Unit Citation (Army) for CORREGIDOR

*Presidential Unit Citation (Army) for BIEN HOA

*Presidential Unit Citation (Army) for DAK TO

*Meritorious Unit Commendation (Army) for VIETNAM 1965-1967

*Philippine Presidential Unit Citation for 17 OCTOBER 1944 TO 4 JULY 1945

* Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1965-1970

* Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1969-1971


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