Battery AMTB 2A - Sullivans Island

Battery AMTB 2A - Sullivans Island (1943-1946) - Battery AMTB 2A - Sullivans Island was a reinforced concrete World War II rapid fire 90mm gun battery built on old Battery Jasper, Fort Moultrie, South Carolina. AMTB stands for Anti Motor Torpedo Boat. Battery construction started 12 Feb 1943, was completed 28 Mar 1943 and transferred to the Coastal Artillery for use 2 Jul 1943. Deactivated in 1946.

Battery AMTB 2A - Sullivans Island History

Part of the Harbor Defense of Charleston.
The AMTB battery at Sullivans Island consisted of two 90mm gun mounted on 90mm M3 fixed gun mounts and two mobile 90mm guns on M1A1 mobile carriages. Concrete pads for these guns were laid on top of the four gun emplacements of old Battery Jasper. The battery had a dual mission of defense against fast enemy motor torpedo boats and enemy aircraft. The effective range of the guns was about 8,000 yards. Each weapon required a crew of 15, 9 men in the gun squad and 6 men in the ammunition squad.

AMTB Front View	AMTB Interior View	AMTB Side View	AMTB Back View
The above photos were taken at Fort Monroe, Battery Parrott From FM 4-91: "This weapon consists of the 90-mm gun M1 and top carriage M1A1 on the 90-mm gun mount M3. The mount M3 is of the turret type, the shielding being constructed of boiler plates. This boiler plate shield provide fragmentation protection only. No shielding is provided at the rear due to the requirements for service of the piece. A sighting port in the shielding in front permits sighting in direction by the gun pointer." References: FM 4-91 - 90-MM Gun, Fixed Mount Service of the Piece FM 4-126 - Antiaircraft Artillery, Service of the Piece, 90-mm Antiaircraft Gun TM 9-373 - 90-mm Gun M1 and 90-mm Gun Mount T3 (M3)

Fort Moultrie, Battery AMTB 2A - Sullivans Island, NARA

File:Fort Moultrie Battery AMTB 2A - Sullivans Island.jpg

Battery AMTB 2A - Sullivans Island Plan

Current Status

No period gun or mounts in place.

---

{"selectable":false,"width":"500"}

Location: Battery Jasper, Fort Moultrie, South Carolina Maps & Images Lat: 32.7583169 Long: -79.8551935 Multi Maps from ACME Maps from Bing Maps from Google Elevation: 30'

Sources:

• Coast Defense Study Group, Press, Digital Library, Forums

Links:

Visited: 23 Jan 2010

Battery AMTB 2A - Sullivans Island Picture Gallery

Click on the picture to see a larger version. Contribute additional pictures - the more the better!