armory vs military installation

armory and military installation both are nouns.

Word	Noun	Adjective	Verb	Adverb
armory	Yes	No	No	No
military installation	Yes	No	No	No

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

armory: a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
military installation: any facility servicing military forces

armory (noun)	military installation (noun)
a place where arms are manufactured	any facility servicing military forces
a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
all the weapons and equipment that a country has
a collection of resources