military vs base of operations

military and base of operations both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
base of operations	Yes	No	No	No

military (noun)	base of operations (noun)
the military forces of a nation	installation from which a military force initiates operations

military (adjective)	base of operations (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