military vs military mission

military and military mission both are nouns.

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

military (noun)	military mission (noun)
the military forces of a nation	an operation that is assigned by a higher headquarters

military (adjective)	military mission (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