military vs combat injury

military and combat injury both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
combat injury	Yes	No	No	No

military (noun)	combat injury (noun)
the military forces of a nation	a casualty to military personnel resulting from combat

military (adjective)	combat injury (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