The official website for the 1st Infantry Division. The 1st Infantry Division is a combined arms division of the United States Army, and is the oldest continuously serving division 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 …

The 1st Infantry Division and Fort Riley build and maintain combat ready forces; on order deploys these forces in an expeditionary manner to conduct Decisive Action to fight and win in complex environments as members of a Joint, Inter-organizational, and Multinational (JIM) team.

Command Sergeant Major Robert N. Christensen entered the United States Army in October of 1996 from Seattle, Washington. He attended Basic Training at Fort Sill, Oklahoma, and Advanced Individual Training at Fort Eustis, Virginia. ,

FIRST INFANTRY DIVISION HEADQUARTERS Victory Hall, Building 580 | Reed Ave, Fort Riley, KS 66442 | Ph: 785-239-2222

2023年8月18日 · The Department of the Army announced the 1st Infantry Division Combat Aviation Brigade will deploy to Europe to replace the 3rd Infantry Division Combat Aviation Brigade, as part of a regular rotation of forces to support the United States’ commitment to NATO allies and partners.