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Field Manual Vault: free, searchable, downloadable military manuals

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FM 3-11 ·Army ·2025

Chemical, Biological, Radiological, and Nuclear Operations

As the United States Army operates in potential chemical, biological, radiological, or nuclear (CBRN) environments in the 21st century, we must account for new and emerging CBRN threats. Many peer, near-peer, and even sub-peer adversaries… Current 128 pages CBRN
FM 3-22 C1 ·Army ·2023

Army Support to Security Cooperation

In an era of strategic competition there are times where security cooperation (SC) may become the primary effort by strategic necessity—both to deter our adversaries prior to conflict, and to strengthen our allies and partners before and… Current 90 pages CBRN
FM 3-83 ·Army ·2025

Religious Affairs

Army doctrine is fundamental principles, with supporting tactics, techniques, procedures, and terms and symbols, used for the conduct of operations and as a guide for actions of operating forces, and elements of the institutional force… Current 50 pages CBRN
FM 3-84 ·Army ·2023

Legal Support to Operations

This manual establishes a foundation for the Judge Advocate General's (JAG's) Corps and judge advocate legal services (JALS) personnel to provide principled counsel and mission-focused legal support to the operational Army. It establishes… Current 100 pages CBRN