government agency vs U.S. Army Criminal Investigation Laboratory

government agency and U.S. Army Criminal Investigation Laboratory both are nouns.

Word	Noun	Adjective	Verb	Adverb
government agency	Yes	No	No	No
U.S. Army Criminal Investigation Laboratory	Yes	No	No	No

government agency (noun)	U.S. Army Criminal Investigation Laboratory (noun)
an administrative unit of government	a defense laboratory of the Criminal Investigation Command; the United States Army's primary forensic laboratory in support of criminal intelligence