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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


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