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| 1st Provisional Brigade, 77th Infantry Division | |
|---|---|
| Unit name | 1st Provisional Brigade, 77th Infantry Division |
| Dates | 1917–1919 |
| Country | United States |
| Branch | United States Army |
| Type | Infantry |
| Size | Brigade |
| Command structure | 77th Infantry Division |
1st Provisional Brigade, 77th Infantry Division The 1st Provisional Brigade, 77th Infantry Division served as a temporary formation of the United States Army during World War I, raised from draftees and volunteers drawn largely from New York City, Brooklyn, and surrounding New York districts and assigned to training, coastal defense, and expeditionary duties before overseas deployment and subsequent demobilization.
The brigade was constituted in 1917 under the authority of the Selective Service Act of 1917 and organized at Camp Upton with personnel processed through Fort Jay and mobilized via the Port of New York alongside other elements of the 77th Infantry Division, incorporating regimental cadres from the 69th Infantry Regiment (New York) and staffed by officers from the Regular Army, National Army and the New York National Guard. Its table of organization and equipment reflected contemporary A.E.F. doctrine with infantry regiments, machine gun battalions, engineer companies, field artillery brigades, medical detachments, and signal units drawn from the structure promulgated by the War Department (United States) and coordinated with training at American Expeditionary Forces staging areas.
Upon completion of domestic preparation, the brigade embarked from the New York Harbor to join the American Expeditionary Forces in France where it became integrated into operations associated with the Meuse-Argonne Offensive, the Saint-Mihiel Offensive, and the broader Allied campaigns that included coordination with the British Expeditionary Force, French Army, and elements of the Canadian Expeditionary Force. During its tenure on the Western Front the brigade operated in sectors alongside formations such as the 42nd Infantry Division, 29th Division, and multinational corps, adhering to operational directives from General John J. Pershing and liaising with staff from the General Staff.
While stationed at Camp Upton and during embarkation at Camp Mills, the brigade undertook intensive training programs influenced by manuals from the United States Army Training and Doctrine Command predecessors, including bayonet, marksmanship, trench warfare, gas defense drills, and combined-arms exercises with attached field artillery and signal detachments. It also performed domestic duties such as coastal security near Long Island, riot control during labor disputes in New York City, and epidemic response in coordination with the United States Public Health Service during the 1918 influenza pandemic, while drawing replacements from local Selective Service System pools and coordinating transport through the McAdoo transcontinental railroad networks and the U.S. Army Transport Service.
Elements of the brigade participated in offensive and defensive operations during the late-1918 campaigns, including trench raids, counterattacks during the Meuse-Argonne Offensive, and support operations for the Saint-Mihiel Offensive where coordination with French Fourth Army and III Corps units proved decisive in local objective attainment. The brigade's engineers executed notable work on trench construction, bridge repair, and fortification under fire, while its medical detachments managed casualty evacuation to Base Hospital installations and collaboration with American Red Cross units during major operations.
Command leadership drew from career officers commissioned in the United States Military Academy and promoted from the Regular Army, with staff officers experienced in infantry, artillery, and engineer branches; notable associated figures included brigade and regimental commanders who previously served in the Spanish–American War and who later held positions in the Interwar Period United States Army establishments. The brigade's enlisted ranks included recent draftees, immigrant volunteers from Ellis Island, multilingual soldiers from Brooklyn, and decorated noncommissioned officers who received commendations such as the Distinguished Service Cross and Purple Heart for actions during engagements in France.
Following the Armistice of 11 November 1918 the brigade underwent demobilization at ports of embarkation including St. Nazaire and Brest, France and was formally disbanded at Camp Upton during the 1919 reductions administered by the War Department (United States). Its veterans contributed to postwar organizations such as the American Legion, influenced interwar National Guard reorganization, and are commemorated by memorials in Brooklyn, Queens, and the National World War I Museum and Memorial. The brigade's records survive in collections at the National Archives and Records Administration and local repositories including the New-York Historical Society and the New York Public Library.
Category:Infantry brigades of the United States Army Category:Military units and formations established in 1917 Category:Military units and formations disestablished in 1919