503d LINEAGE

_________________
John D. Reynolds

 

 

1st BATTALION, 503d INFANTRY (THE ROCK REGIMENT)
2d BATTALION, 503d INFANTRY (THE ROCK REGIMENT)
3d BATTALION, 503d INFANTRY (THE ROCK REGIMENT)
4th BATTALION, 503d INFANTRY (THE ROCK REGIMENT)
Comment - Note that the 503d Infantry and the 503dBattalions all bear the annotation of THE ROCK REGIMENT. This, of course pays tribute to the retaking from the Japanese of the island fortress of Corregidor by the 503d Parachute Regimental Combat Team, the 3d Battalion of the 34th Infantry Division and all other units who combined to make up what Colonel George M. Jones had designated as "THE ROCK FORCE."

14 MAR 1941

503d Parachute Battalion constituted.

 

504th Parachute Battalion constituted.

 

1st Battalion, 503d Infantry constituted in the Army of the United States as Company A, 503d Parachute Infantry Battalion

 

2nd Battalion, 503d Infantry constituted in the Army of the United States as Company B, 503d Parachute Infantry Battalion.

 

3rd Battalion, 503d Infantry constituted in the Army of the United States as Company C, 503d Parachute Infantry Battalion.

22 AUG 1941

1st Battalion, 503d infantry activated.

 

2d Battalion, 503d Infantry activated.

 

3d Battalion, 503d Infantry activated.

 

Comment - It is possible to distinguish 'constituted' and 'activated' as the difference between conception and birth.

5 OCT 1941

504th Parachute Battalion activated at Fort Benning, Georgia.

24 FEB.1942

1st Battalion, 503rd Infantry consolidated with Company A, 503rd Parachute Infantry (concurrently constituted) and consolidated unit designated as Company A, 503rd Parachute Infantry.

 

2nd Battalion, 503rd Infantry consolidated with Company B, 503rd Parachute Infantry (concurrently constituted) and consolidated unit designated as Company A, 503rd Parachute Infantry.

 

3d Battalion, 503rd Infantry consolidated with Company C, 503rd Parachute Infantry (concurrently constituted) and consolidated unit designated as Company A, 503rd Parachute Infantry.

 

503rd Infantry (The Rock Regiment) constituted in the Army of the United States as the 503rd Parachute Infantry (1st Battalion concurrently consolidated with the 503rd Parachute Battalion, and the 2nd Battalion consolidated with the 504th Parachute Battalion) and consolidated units designated as the 1st and 2nd Battalions, 503rd Parachute Infantry.

 

Comment - The above reference to the 503rd Infantry (The Rock Regiment), of course, refers to the present 1996 designation. "The Rock," was to become associated with the 503rd much later in its history and comes from the airborne assault on the island fortress, of Corregidor.

2 MAR 1942

503rd Parachute Infantry Regiment (less 1st, 2nd, and 3rd Battalions) activated at Fort Benning, Georgia.

8 JUN 1942

3rd Battalion activated at Fort Bragg, North Carolina.

7 NOV 1942

4th Battalion, 503rd Infantry activated in the Army of the United States in Australia as Company D, 503d Parachute Infantry.

 

Comment  - To make this chronology more complete it is noted that the unit which was to become Company D, 503d Parachute Infantry was originally A Company of the 504th Parachute Infantry Regiment, later became part of the 82nd Airborne Division at Fort Bragg, North Carolina and was reassigned to the 503rdParachute Infantry Regiment just prior to their departure from Fort Bragg, North Carolina In October 1942.

On their way to Australia, the 503rd Parachute Infantry Regiment stopped in Panama to pick up three companies from the 501st Parachute Battalion. The companies were Headquarters and Headquarters Company, A Company and B Company. They were picked up to complete the 2nd Battalion of the 503rd Parachute Infantry Regiment.

Headquarters and Headquarters Company of the 501 became Headquarters and Headquarters Company, 2nd Battalion of the 503rd Parachute Infantry Regiment, A Company of the 501 became E Company of the 503rd Parachute Infantry Regiment and B Company of the 501 became F Company of the 503rd Parachute Infantry Regiment.

Former 2nd Battalion of the 503rd Parachute Infantry reorganized and redesignated as the 2nd Battalion, 509th Parachute Infantry – and thereafter followed into a separate lineage; new 2nd Battalion 503rd Parachute Infantry concurrently activated in Australia.

29 MAR 1944

462nd Parachute Field Artillery Battalion attached to 503d PIR.

13 SEP. 1944

Company "C" 161st Airborne Engineers joined the 503d PIR with 8 officers and 109 enlisted men. From this time the 503d became known as the 503d Parachute Regimental Combat Team. 

24 DEC. 1945

503d Parachute Infantry Regiment inactivated at Camp Anza, California.

 

1st Battalion, 503d Parachute Infantry Regiment inactivated at Camp Anza, California

 

2d Battalion, 503d Parachute Infantry Regiment inactivated at Camp Anza, California.

 

3d Battalion, 503d Parachute Infantry Regiment inactivated at Camp Anza, California.

 

4th Battalion, 503d Parachute Infantry Regiment inactivated at Camp Anza, California.

1 FEB.1951

503d Parachute Infantry Regiment redesignated as the 503d Airborne Infantry, allotted to the Regular Army and assigned to the 11th Airborne Division.

 

1st Battalion, 503d Parachute Infantry was redesignated as Company A, 503d Airborne Infantry, an element of the 11th Airborne Division and allotted to the Regular Army.

 

2d Battalion, 503d Parachute Infantry was redesignated as Company B, 503d Airborne Infantry, an element of the 11th Airborne Division and allotted to the Regular Army.

 

3d Battalion, 503d Parachute Infantry was redesignated as Company C, 503d Airborne Infantry, an element of the 11th Airborne Division and allotted to the Regular Army

 

4th Battalion, 503d Parachute Infantry was redesignated as Company D, 503d Airborne Infantry, an element of the 11th Airborne Division and allotted to the Regular Army.

2 MAR 1951

503d Airborne Infantry activated at Fort Campbell, Kentucky.

 

Company A, 503d Airborne Infantry activated at Fort Campbell, Kentucky.

 

Company B, 503d Airborne Infantry activated at Fort Campbell, Kentucky

 

Company C, 503d Airborne Infantry activated at Fort Campbell, Kentucky.

 

Company D, 503d Airborne Infantry activated at Fort Campbell, Kentucky.

1 MAR 1957

503d Airborne Infantry relieved from assignment to the 11th Airborne Division, concurrently reorganized, and redesignated as the 503d Infantry, a parent regiment under the Combat Arms Regimental System.

 

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

 

Company B, 503d Airborne Infantry, inactivated in Germany and relieved from assignment to the 11th Airborne Division.

 

Company C, 503d Airborne Infantry, inactivated in Germany and relieved from assignment to the 11th Airborne Division, concurrently redesignated as Headquarters & Headquarters Company, 3d Airborne Battle Group, 503d Infantry

 

Company D, 503d Airborne Infantry inactivated in Germany and relieved from assignment to the 11th Airborne Division; concurrently redesignated as Headquarters & Headquarters Company, 4th Airborne Battle Group, 503d Infantry.

1 SEP 1957

Company B, 503d Airborne Infantry redesignated as Headquarters & Headquarters Company, 2d Airborne Battle Group, 503d Infantry, assigned to the 82nd Airborne Division, and activated at Fort Bragg, North Carolina (organic elements concurrently constituted and activated).

1 JUL 1958

Headquarters & Headquarters Company, 1st Airborne Battle Group, 503d Infantry relieved from assignment to the 11th Airborne Division and assigned to the 24th Infantry Division.

7 JAN 1959

Headquarters & Headquarters Company 1st Airborne Battle Group. 503:1 Infantry relieved from assignment to the 24th Infantry Division and assigned to the 82nd Airborne Division.

24 JUN 1960

Headquarters & Headquarters. Company, 2d Airborne Battle Group, 503d Infantry relieved from assignment to the 82nd Airborne Division and assigned to the 25th Infantry Division.

1 JUL 1961

Headquarters & Headquarters Company, 2d Airborne Battle Group, 503d Infantry relieved from assignment to the 25th Infantry Division.

25 JUN 1963

Headquarters & Headquarters Company, 1st Airborne Battle Group, 503d Infantry reorganized and redesignated as the 1st Battalion, 503d Infantry.

 

Headquarters & Headquarters Company, 2nd Airborne Battle Group, 503rd Infantry reorganized and redesignated as the 2nd Battalion, 503d Infantry.

26 MAR 1966

Headquarters & Headquarters Company, 1st Airborne Battle Group, 503d Infantry relieved from assignment to the 82nd Airborne Division and assigned to the 173d Airborne Brigade

 

Headquarters & Headquarters Company,  2d Airborne Battle Group, 503d Infantry assigned to the 173d Airborne Brigade.

26 MAR 1963

Headquarters & Headquarters Company, 4th Airborne Battle Group, 503d Infantry redesignated as Headquarters & Headquarters Company, 4th Battalion, 503d Infantry and assigned to the 173d Airborne Brigade (organic elements concurrently constituted)

1 APR 1963

4th Battalion, 503d Infantry activated at Fort Campbell, Kentucky

6 FEB.1967

Headquarters & Headquarters Company 3d Airborne Battle Group, 503d Infantry redesignated as Headquarters & Headquarters Company, 3d Battalion, 503d Infantry (organic elements concurrently constituted).

1 APR 1967

3d Battalion, 503d Infantry activated at Fort Bragg, North Carolina and assigned to the 713d Airborne Brigade

3 SEP 1971

4th Battalion, 503d Infantry inactivated at Fort Campbell, Kentucky.

14 JAN 1972

1st Battalion, 503d Infantry relieved from assignment to the 173d Airborne Brigade and assigned to the 101st Airborne Division.

 

2nd Battalion, 503d Infantry relieved from assignment to the 173d Airborne Brigade and assigned to the 101st Airborne Division.

 

3rd Battalion, 503d Infantry relieved from assignment to the 173d Airborne Brigade and assigned to the 101st Airborne Division.

31 JUL 1972

3d Battalion, 503d Infantry inac­tivated at Fort Campbell, Kentucky.

1 OCT1983

2nd Battalion, 503d Infantry inactivated at Fort Campbell, Kentucky and relieved from assignment to the 101st Airborne Division.

18 NOV1984

1st Battalion, 503d Infantry inactivated at Fort Campbell, Kentucky and relieved from assignment to the 101st Airborne Division.

16 DEC 1986

503d Infantry withdrawn from the Combat Arms Regimental System and reorganized under the United Sates Army Regimental System.

 

1st Battalion, 503d Infantry assigned to the 2nd Infantry Division and activated in Korea.

 

2d Battalion, 503d Infantry assigned to the 2nd Infantry Division and activated in Korea.

29 SEP 1990

2d Battalion, 503d Infantry inactivated in Korea and relieved from assignment to the 2d Infantry Division.

16 DEC 2001

 

2d Battalion, 503d Infantry  assigned to the 173d Airborne Brigade and activated in Italy. Its colors were used to reflag the existing 3-325th Inf.

1 OCT 2005

Redesignated  as the 1st Battalion, 503d Infantry Regiment

OCT 2005

1st Battalion, 503rd Infantry (Air Assault) was de-activated and was re-designated 1st Battalion, 9th Infantry Division at Ft. Carson Colorado

15 NOV 2005,

Inactivated at Ft. Carson, Colorado, and  relieved from assignment to the 2d Infantry Division,

23 MAY 2006

1st Battalion (Airborne), 503rd Infantry reactivated in Vicenza, Italy as part of the Southern European Task Force (Airborne) and assigned once again to the 173rd Airborne Brigade Combat Team.

15 JUN 2006

Assigned to the 173d Airborne Brigade when the existing 1-508th Inf was reflagged. Activated in Italy.

9 MAY 2007

The 1st Battalion (Airborne), 503rd Infantry deployed as part of the 173rd Airborne Regimental Combat Team to Afghanistan
 
Campaign Participation Credit

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

Vietnam: *Defense; *Counteroffensive; *Counteroffensive, Phase II (with arrowhead); *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

War on Terrorism: Campaigns to be determined

Decorations

 

*Presidential Unit Citation (Army) Streamer embroidered CORREGIDOR

*Presidential Unit Citation (Army) Streamer embroidered  PHUOC VINH

*Presidential Unit Citation (Army) Streamer embroidered  DAK TO

*Meritorious Unit Commendation (Army) Streamer embroidered  VIETNAM 1965-1967

*Meritorious Unit Commendation (Army) Streamer embroidered  IRAQ 2003

*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 for VIETNAM 1969-1971

Lineage and Honors are as of 2 June 2010

 

    
                               
       

 

 

ROCK FORCE CORREGIDOR is privately supported by The Corregidor Historic Society and a group of like-minded individuals who believe that websites are the Heritage Resource of the Future.  

Join us, and make sure we're here the next time you are.


Editorial Heritage Bn. Policy
Bord Members
 

 

Copyright ©, The Corregidor Historic Society, 1999-2003 - All Rights Reserved
Last Updated: 13-07-11

This Lineage was first published in The Static Line,  February 1996 ©  John D. Reynolds 2000 All Rights Reserved - Updates and Corrections are invited.