military vs close-order drill

military and close-order drill both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
close-order drill	Yes	No	No	No

military (noun)	close-order drill (noun)
the military forces of a nation	(military) military drill of troops in standard marching (shoulder-to-shoulder)

military (adjective)	close-order drill (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