This manual, Navy Tactical Reference Publication NTRP 1-02 Navy Supplement to the DOD Dictionary of Military and Associated Terms April 2019, establishes and standardizes the professional language of the U.S. Navy by defining the terminology, acronyms, and abbreviations used in Navy Warfare Library (NWL) publications. NTRP 1-02 supplements DOD Dictionary of Military and Associated Terms. The terminology established by NTRP 1-02 shall be used without alteration unless a distinctly different connotation is intended. For guidance in preparing glossaries and lists of acronyms and abbreviations for NWL publications, consult NTRP 1-01, The Navy Warfare Library. Terminology included in NTRP 1-02 is collected from the main text of promulgated Navy publications and widely-used allied publications. Terms that are adequately defined by or that have definitions that can be derived from a standard collegiate dictionary are not included. Terms defined in DOD Dictionary are not included in NTRP 1-02 unless Navy usage has a markedly different context or meaning. Abbreviations and acronyms in NTRP 1-02 reflect standard meanings for those used most commonly in NWL publications.