military posture vs capability

military posture and capability both are nouns.

Word	Noun	Adjective	Verb	Adverb
military posture	Yes	No	No	No
capability	Yes	No	No	No

As nouns, capability is a hypernym of military posture; that is, capability is a word with a broader meaning than military posture:

military posture: capability in terms of personnel and materiel that affect the capacity to fight a war
capability: the quality of being capable -- physically or intellectually or legally

Other hypernyms of military posture include capableness.

military posture (noun)	capability (noun)
capability in terms of personnel and materiel that affect the capacity to fight a war	the quality of being capable -- physically or intellectually or legally
	an aptitude that may be developed
	the susceptibility of something to a particular treatment