30 May 2026 FM 1-02.1 v This third edition of FM 1-02.1 compiles all Army terms and definitions approved for use in Army doctrinal publications, including ADPs, FMs, and ATPs. It also includes joint and North Atlantic Treaty Organization (NATO) terms used and listed in the glossaries of Army doctrinal publications. FM 1 02.1 also lists shortened forms (whether considered acronyms or abbreviations) approved for use in Army doctrinal publications. This publication is augmented by the military terms and symbols database, known as the Army Dictionary online.
DesignationFM 1-02.1
EditionMay 2026
StatusActive
ProponentTRADOC
Pages150
FunctionDoctrine Philosophy
CollectionCurrent Doctrine
Approved for public release; distribution is unlimited. This publication supersedes FM 1-02.1, dated 11 July 2025. HEA