ATP 4-90 Brigade Support Battalion - U.S. Army Manual

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ATP 4-90 provides doctrine for support battalion operations in maneuver brigades, multifunctional support brigades, and the multi-domain task force. It describes the role, characteristics, core competencies, and functions of these battalions.

Documents (pdf):

ATP 4-90 "Brigade Support Battalion" (26 January 2026) — Covers BSBs organic to maneuver brigades, LSBs in direct support of Mobile Brigades (but assigned to the Division Sustainment Brigade), and other sustainment organizations in support of multifunctional and functional brigades.
ATP 4-90 "Brigade Support Battalion" C1 (9 November 2021) — Covers BSBs and Support Battalions of Multi-Functional Brigades

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