military capability vs military posture

military capability and military posture both are nouns.

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

As nouns, military capability and military posture are synonyms defined as:

military capability and military posture: capability in terms of personnel and materiel that affect the capacity to fight a war

Other synonyms of military capability include military strength, posture, strength.

military capability (noun)	military posture (noun)
capability in terms of personnel and materiel that affect the capacity to fight a war	capability in terms of personnel and materiel that affect the capacity to fight a war