general headquarters vs military

general headquarters and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
general headquarters	Yes	No	No	No
military	Yes	Yes	No	No

general headquarters (noun)	military (noun)
military headquarters from which a military commander controls and organizes the forces	the military forces of a nation

general headquarters (adjective)	military (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