Fort Riley, Kansas


Welcome to the 1st Infantry Division, "The Big Red One"

1st Infantry Division
"The Big Red One"

The 1st Infantry Division headquarters is Fort Riley, KS. The Big Red One invites visitors to browse through the site, learning not only about the Division but its brigades, partners, and Fort Riley and the Central Flint Hills Region.

Our Mission

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.


Be the "BRO"

Click on the links below to see various formats of what it means to be a "BRO" Soldier.

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1ID Units

1st Armored Brigade Combat Team - 24/7 # (785) 239-0568

2nd Armored Brigade Combat Team - 24/7 # (785) 239-4002

Division HQ & HQ Battalion - 24/7 # (785) 240-0568

1st Combat Aviation Brigade - 24/7 # (785) 239-6565

1ID Division Artillery -
24/7 # (785) 239-4666

1ID Sustainment Brigade -
24/7 # (785) 240-2206

The Victory Standard: BRO Standards Book