Military installations

thumb|Castillo San Felipe del Morro, Puerto Rico. The fortress and walled city of [[Old San Juan are a UNESCO World Heritage Site.]]

facility directly owned and operated by or for the military

thumb|View of the Entrance to the Venetian Arsenal|Arsenal, by [[Canaletto, 1732]] thumb|Cannons and mortars of Napoleon's army exhibited along the wall of the [[Kremlin Arsenal]] thumb|Royal Armouries|The Royal Armoury, [[Leeds]] thumb|Armory of Swiss Guard thumb|right|The Kansas Army National Guard armory in [[Concordia, Kansas, is a typical building used for the National Guard programs in the United States.]]

underground structure for the storage and launching of ballistic missiles

permanently manned, well protected military base

type of United States military facility

Aplekton (, from ) was a Byzantine term used in the 10th–14th centuries for a fortified army base (in this sense similar to the metaton) and later in the Palaiologan period for the obligation of billeting soldiers.

neighborhood of Ramat gan in Ramat Gan, Israel

territory for permanent quartering of military

launch site for sounding rockets