Lineage And Honors Information
Lineage and Honors Information as of 31 January 2012
1ST BATTALION, 503D INFANTRY REGIMENT
(THE ROCK REGIMENT)
- 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
- (173d Airborne Brigade redesignated 16 September 2006 as the 173d Airborne Brigade Combat Team)
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
- War on Terrorism
- Campaigns to be determined
DECORATIONS
- *Presidential Unit Citation (Army), Streamer embroidered CORREGIDOR
- *Presidential Unit Citation (Army), Streamer embroidered BIEN HOA
- *Presidential Unit Citation (Army), Streamer embroidered DAK TO
- *Valorous Unit Award, Streamer embroidered PAKTIKA PROVINCE 2007-2008
- *Meritorious Unit Commendation (Army), Streamer embroidered VIETNAM 1965-1967
- *Meritorious Unit Commendation (Army), Streamer embroidered AFGHANISTAN 2009-2010
- *Philippine Presidential Unit Citation, Streamer embroidered 17 OCTOBER 1944 TO 4 JULY 1945
- *Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1965-1970
- *Republic of Vietnam Civil Action Honor Medal, First Class, Streamer embroidered VIETNAM 1969-1971
- Company B additionally entitled to:
- Meritorious Unit Commendation (Army), Streamer embroidered AFGHANISTAN MAY 2007-JUL 2008
BY ORDER OF THE SECRETARY OF THE ARMY:
ROBERT J. DALESSANDRO
Director, Center of Military History