200th Infantry Regiment
Other branch / predecessor service
Lineage service in another branch or under a predecessor designation. This interval is not plotted as an infantry maneuver-division assignment.
Infantry timelines · Infantry numbers 1–200
A century of division assignments
1916–2026 · Regimental service, battle groups, battalions and deployments.

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 1 Sep 2005; 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 modern infantry designation dates from the 2005 conversion of New Mexico air-defense artillery. Earlier branch service and inherited campaign honors are not represented as deployments by a 200th Infantry Regiment. The Army’s 2024 certificate is the governing lineage source.
Division names appear in the timeline. No verified patch artwork is included for these assignments.
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
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.
Explore a date
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
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.
200th Infantry Regiment
Lineage service in another branch or under a predecessor designation. This interval is not plotted as an infantry maneuver-division assignment.
1st Battle Group / Battalion lineage
This headquarters is not a division. Temporary attachments in the service entries below are distinct from the formal assignment.
1st Battle Group / Battalion lineage
The cited record establishes service outside an assigned division. Higher headquarters and temporary operational attachments could still direct the unit. 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.
2d Battle Group / Battalion lineage
This headquarters is not a division. Temporary attachments in the service entries below are distinct from the formal assignment.
2007-2008
2d Battle Group / Battalion lineage · Deployment / campaign service
The Army certificate credits Company C, not every element of the regiment, with Iraq service in these years. The labeled service overlaps an assignment change and is listed only once; consult the following assignment cards as well.
Source2d Battle Group / Battalion lineage
The unit or its headquarters lineage was inactive. This status does not imply that every inherited honor or divisional affiliation was erased. 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.
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.
Unmodified artwork from Wikimedia Commons; individual file pages identify the artist and license. Insignia represent the divisions, not regimental affiliation badges.