Fort Hancock’s Endicott Era gun batteries and defenses included:
Dynamite Gun Battery: three 15-inch and one 8-inch dynamite guns.
Battery Potter: two 12-inch disappearing guns. This along with the mortar battery were the first prototype concrete gun batteries of the Endicott system.
Battery Granger: two 10-inch counterweight disappearing guns.
Nine-Gun Battery consists of:
Battery Alexander: two 12-inch counterweight disappearing guns.
Battery Richardson: two 12-inch counterweight disappearing guns.
Battery Bloomfield: two 12-inch counterweight disappearing guns.
Battery Halleck: three 10-inch counterweight disappearing guns.
The Mortar Battery, along with Battery Potter were the prototype for future gun batteries of the Endicott system. It consisted of:
Battery McCook: eight 12-inch mortars.
Battery Reynolds: eight 12-inch mortars.
Rapid fire guns like those listed below protected the underwater mine field from smaller, swifter moving vessels:
Battery Engle: one 5-inch gun on a pedestal mount.
Battery Morris: four 3-inch guns on a pedestal mount.
Battery Urmston: four 15-pounders and two 3-inch guns on a pedestal mount.
Battery Peck: two 6-inch guns on a pedestal mount.
Battery Gunnison: two 6-inch counterweight disappearing guns.
Harbor defenses included a hidden, unseen weapon: An underwater controlled minefield system that utilized a mine casemate on Sandy Hook from where underwater mines could be denotated via electrical cables to destroy warships.
To learn more about Endicott Era Defenses, click here.