CID vs US Army Criminal Investigation Laboratory

CID and US Army Criminal Investigation Laboratory both are nouns.

Word	Noun	Adjective	Verb	Adverb
CID	Yes	No	No	No
US Army Criminal Investigation Laboratory	Yes	No	No	No

CID (noun)	US Army Criminal Investigation Laboratory (noun)
the United States Army's principal law enforcement agency responsible for the conduct of criminal investigations for all levels of the Army anywhere in the world	a defense laboratory of the Criminal Investigation Command; the United States Army's primary forensic laboratory in support of criminal intelligence