US 1st Infantry Division
| 1st Infantry Division | |
|---|---|
The 1st Infantry Division's combat service identification badge (CSIB)
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| Founded | 1917 |
| Country |  United States of America |
| Branch |
 United States Army
|
| Type | Combined arms (armor and mechanized infantry) |
| Role | Command and control organization containing two to four maneuver brigades |
| Size | Division |
| Part of | III Corps |
| Garrison/HQ | Fort Riley, Kansas, U.S. |
| Nickname(s) |
"The Big Red One" (abbreviated "BRO") "The Bloody First" |
| Motto(s) | No Mission Too Difficult. No Sacrifice Too Great. Duty First! |
| March | "The Big Red One Song" |
| Mascot(s) | Rags (WW I) |
| Engagements |
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| Commanders | |
| Current commander |
Major General Joseph M. Martin |
| Command Sergeant Major | Joseph Cornelison |
| Notable commanders |
List of commanders |
| Insignia | |
| Shoulder sleeve insignia | .png) |
| Distinctive unit insignia |  |
| Flag |  |
| Shoulder sleeve insignia (1917–2015) | .svg) |
"The Big Red One" (abbreviated "BRO")
The 1st Infantry Division is a combined arms division of the United States Army, and is the oldest continuously serving in the Regular Army. It has seen continuous service since its organization in 1917 during World War I. It was officially nicknamed "The Big Red One" (abbreviated "BRO") after its shoulder patch and is also nicknamed "The Fighting First". However, the division has also received troop monikers of "The Big Dead One" and "The Bloody First" as puns on the respective officially-sanctioned nicknames. It is currently based at Fort Riley, Kansas.
The First Expeditionary Division, later designated the 1st Infantry Division, was constituted on 24 May 1917, in the Regular Army, and was organized on 8 June 1917, at Fort Jay, on Governors Island in New York harbor under the command of Brigadier General William L. Sibert, from Army units then in service on the U.S.-Mexico border and at various Army posts throughout the United States. The original table of organization and equipment (TO&E) included two organic infantry brigades of two infantry regiments each, one engineer battalion; one signal battalion; one trench mortar battery; one field artillery brigade of three field artillery regiments; one air squadron; and a full division train. The total authorized strength of this TO&E was 18,919 officers and enlisted men. George S. Patton, who served as the first headquarters commandant for the American Expeditionary Forces oversaw much of the arrangements for the movement of the 1st Division to France, and their organization in-country. Frank W. Coe, who later served as Chief of Coast Artillery, was the division's first chief of staff.
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