high command vs military

high command and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
high command	Yes	No	No	No
military	Yes	Yes	No	No

high command (noun)	military (noun)
the highest leaders in an organization (e.g. the commander-in-chief and senior officers of the military)	the military forces of a nation

high command (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