187th Infantry Regiment
Not yet constituted / organized
This timeline begins in 1916. The cited organization had not yet been constituted or organized during this interval; its formation follows.
First division shown11th Airborne Division25 Feb 1943
Separate unit histories5 documented elementsDated lineages and service notes below
Page cutoff8 September 2026Last-documented status is explicitly marked
One regiment, separate assignments
The common row follows the regiment. After its reorganization, battle groups and battalions could hold different assignments at the same time. A deployment or temporary attachment does not by itself change the assigned division. The common row closes on 25 Apr 1957; later service belongs to the separate element rows. Battalion rows follow headquarters lineages, often descended from lettered companies, rather than assuming that the old regimental battalions continued unchanged.
The regiment’s airborne combat team served separately in Korea. Later battalions had different assignments; the Panama battalions and the 101st Airborne battalions must not be treated as a single uninterrupted regimental assignment.
Division patches
Representative division patches. Patterns could change over time; an image does not imply that the exact version was worn throughout every period. Divisions without a verified asset remain identified by name.
At a glance
Assignments across time
Bar widths follow elapsed time.
Scroll horizontally on a small screen. Select a segment to open its dated entry. Diamond markers open deployments; their positions indicate the labeled year, not an exact start date or duration. Short assignments are easier to inspect in the list below.
- Division assignment
- 1st Infantry
- 2d Infantry
- 8th Infantry
- Separate headquarters
- Training / academy
- Inactive
- Unverified / last documented
Explore a date
Who were they with?
Look up the dated rows below. Service notes with incomplete dates are excluded; last-documented results do not certify a current assignment.
The dated record
Division timeline
Deployments, operations and credited campaign service appear inside assignment cards. Award years establish credited service, not exact tour dates. Some service notes identify only company-sized elements. This is a sourced selection, not a complete movement log.
Assignment ends are exclusive: the next period starts on that date. *Striped final bars mean last documented, with later status unverified through the page cutoff. Unknown intervals are not treated as inactive.
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1 Jan 1916 – 12 Nov 1942
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12 Nov 1942 – 25 Feb 1943
187th Infantry Regiment
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
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25 Feb 1943 – 1 Feb 1951
187th Infantry Regiment
11th Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
Deployments & overseas operations
1944-1945
Leyte and Luzon
187th Infantry Regiment · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source1950-1953
Korean War · Airborne regimental combat team
187th Infantry Regiment · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates. The labeled service overlaps an assignment change and is listed only once; consult the following assignment cards as well.
Source
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1 Feb 1951 – 1 Jul 1956
187th Infantry Regiment
No assigned division
The cited record establishes service outside an assigned division. Higher headquarters and temporary operational attachments could still direct the unit.
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1 Jul 1956 – 25 Apr 1957
187th Infantry Regiment
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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1 Mar 1957 – 1 Jul 1958
1st Battle Group / Battalion lineage
11th Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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1 Jul 1958 – 8 Feb 1959
1st Battle Group / Battalion lineage
24th Infantry Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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8 Feb 1959 – 25 May 1964
1st Battle Group / Battalion lineage
82d Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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25 May 1964 – 30 Jun 1965
1st Battle Group / Battalion lineage
11th Air Assault Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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30 Jun 1965 – 1 Oct 1983
1st Battle Group / Battalion lineage
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
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1 Oct 1983 – 1 May 1987
1st Battle Group / Battalion lineage
193d Infantry Brigade · Separate
This headquarters is not a division. Temporary attachments in the service entries below are distinct from the formal assignment.
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1 May 1987 – 16 Sep 1987
1st Battle Group / Battalion lineage
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
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16 Sep 1987 – 16 Sep 2004
1st Battle Group / Battalion lineage
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
Deployments & overseas operations
1990-1991
Saudi Arabia and Iraq
1st Battle Group / Battalion lineage · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source
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16 Sep 2004 – page cutoff*
1st Battle Group / Battalion lineage
Last documented: 101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage. The source establishes this last recorded status, not uninterrupted service through 2026. The striped bar extends to the page cutoff to keep the later research gap visible.
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25 Apr 1957 – 1 Feb 1964
2d Battle Group / Battalion lineage
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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1 Feb 1964 – 3 Feb 1964
2d Battle Group / Battalion lineage
No assigned division
The cited record establishes service outside an assigned division. Higher headquarters and temporary operational attachments could still direct the unit.
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3 Feb 1964 – 1 Oct 1983
2d Battle Group / Battalion lineage
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
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1 Oct 1983 – 10 Jul 1987
2d Battle Group / Battalion lineage
193d Infantry Brigade · Separate
This headquarters is not a division. Temporary attachments in the service entries below are distinct from the formal assignment.
-
10 Jul 1987 – 16 Sep 1987
2d Battle Group / Battalion lineage
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
-
16 Sep 1987 – page cutoff*
2d Battle Group / Battalion lineage
Last documented: 101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage. The source establishes this last recorded status, not uninterrupted service through 2026. The striped bar extends to the page cutoff to keep the later research gap visible.
Deployments & overseas operations
1990-1991
Saudi Arabia and Iraq
2d Battle Group / Battalion lineage · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source
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25 Apr 1957 – 7 Feb 1963
3d Battle Group / Battalion lineage
Inactive
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased.
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7 Feb 1963 – 1 Feb 1964
3d Battle Group / Battalion lineage
11th Air Assault Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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1 Feb 1964 – 16 Sep 2004
3d Battle Group / Battalion lineage
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
Deployments & overseas operations
1968-1969
Vietnam
3d Battle Group / Battalion lineage · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source1990-1991
Saudi Arabia and Iraq
3d Battle Group / Battalion lineage · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source
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16 Sep 2004 – page cutoff*
3d Battle Group / Battalion lineage
Last documented: 101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage. The source establishes this last recorded status, not uninterrupted service through 2026. The striped bar extends to the page cutoff to keep the later research gap visible.
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1 Oct 1983 – 1 Nov 1983
4th Battle Group / Battalion lineage
Assignment not established
The available record does not establish a precise assignment throughout this interval. No division is inferred.
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1 Nov 1983 – 1 Jan 1987
4th Battle Group / Battalion lineage
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
Deployments & overseas operations
1984-1985
Sinai · Multinational Force and Observers
4th Battle Group / Battalion lineage · Deployment / campaign service
Selected campaign service; year labels do not specify exact departure and return dates.
Source
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1 Jan 1987 – 1 Jan 1988
4th Battle Group / Battalion lineage
Assignment not established
The available record does not establish a precise assignment throughout this interval. No division is inferred.
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1 Jan 1988 – page cutoff*
4th Battle Group / Battalion lineage
Last documented: Consolidated into another organization
Consolidated, absorbed or redesignated into another organization. Follow the successor’s history rather than assuming continuing independent infantry service. The source establishes this last recorded status, not uninterrupted service through 2026. The striped bar extends to the page cutoff to keep the later research gap visible.
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21 Nov 1984 – 1 Jan 1987
5th Battle Group / Battalion lineage
101st Airborne Division
Division names are normalized across historical redesignations. This entry follows the cited unit lineage.
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1 Jan 1987 – 1 Jan 1988
5th Battle Group / Battalion lineage
Assignment not established
The available record does not establish a precise assignment throughout this interval. No division is inferred.
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1 Jan 1988 – page cutoff*
5th Battle Group / Battalion lineage
Last documented: Consolidated into another organization
Consolidated, absorbed or redesignated into another organization. Follow the successor’s history rather than assuming continuing independent infantry service. The source establishes this last recorded status, not uninterrupted service through 2026. The striped bar extends to the page cutoff to keep the later research gap visible.
Sources and scope
Army Center of Military History lineage certificates, regimental associations and secondary histories document assignments, operations and battalions. Exact lineage dates and approximate historical coverage are distinguished. Where the evidence stops, the page says so. A page cutoff is not a claim that every unit directory was current on that date.
Earlier battalions are covered by common regimental service; separately dated lineages and substantiated later battalions receive their own rows or notes. A unit graphic alone is not evidence of a battalion assignment. Reserve, training and inactive organizations are distinguished from active combat units.
- 187th Infantry Regiment history (Wikipedia; secondary)
- U.S. Army lineage certificate · 187
- U.S. Army lineage certificate · 187th, document 168
- U.S. Army lineage certificate · 187th, document 169
- U.S. Army lineage certificate · 187th, document 170
Patch artwork
Unmodified artwork from Wikimedia Commons; individual file pages identify the artist and license. Insignia represent the divisions, not regimental affiliation badges.
- 11th Airborne Division · file and credit · public domain
- 101st Airborne Division · file and credit · public domain
- 24th Infantry Division · file and credit · public domain
- 82d Airborne Division · file and credit · public domain
