military machine vs musketry

military machine and musketry both are nouns.

Word	Noun	Adjective	Verb	Adverb
military machine	Yes	No	No	No
musketry	Yes	No	No	No

military machine (noun)	musketry (noun)
the military forces of a nation	the technique of using small arms (especially in battle)
	musketeers and their muskets collectively