NAWCWPNS vs government agency

NAWCWPNS and government agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
NAWCWPNS	Yes	No	No	No
government agency	Yes	No	No	No

As nouns, government agency is a hypernym of NAWCWPNS; that is, government agency is a word with a broader meaning than NAWCWPNS:

NAWCWPNS: the principal agency of the United States Navy for research and development for air warfare and missile weapon systems
government agency: an administrative unit of government

Other hypernyms of NAWCWPNS include agency, authority, bureau, federal agency, office.

NAWCWPNS (noun)	government agency (noun)
the principal agency of the United States Navy for research and development for air warfare and missile weapon systems	an administrative unit of government