USAF vs Air Force Intelligence Surveillance and Reconnaissance

USAF and Air Force Intelligence Surveillance and Reconnaissance both are nouns.

Word	Noun	Adjective	Verb	Adverb
USAF	Yes	No	No	No
Air Force Intelligence Surveillance and Reconnaissance	Yes	No	No	No

USAF (noun)	Air Force Intelligence Surveillance and Reconnaissance (noun)
the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space	an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms