This United States Army publication, Field Manual FM 1-02.1 Operational Terms February 2024, 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.