military vs military plane

military and military plane both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
military plane	Yes	No	No	No

military (noun)	military plane (noun)
the military forces of a nation	an aircraft designed and used for combat

military (adjective)	military plane (adjective)
associated with or performed by members of the armed services as contrasted with civilians
characteristic of or associated with soldiers or the military
of or relating to the study of the principles of warfare