usn

Noun usn has 1 sense

• usn(n = noun.group) navy, united states navy, us navy - the navy of the United States of America; the agency that maintains and trains and equips combat-ready naval forces;
has parts: naval research laboratory, nrl, marine corps, united states marine corps, united states marines, us marine corps, usmc, naval air warfare center weapons division, nawcwpns, naval special warfare, nsw, naval surface warfare center, nswc, naval underwater warfare center, nuwc, united states naval academy, us naval academy, office of naval intelligence, oni
is a part of defense, defense department, department of defense, dod, united states department of defense
is a kind of agency, authority, bureau, federal agency, government agency, office