Battery AMTB 941

Battery AMTB 941 (1943-1946) - Battery AMTB 941 was a reinforced concrete World War II AMTB rapid fire 90mm gun battery on Fort Revere, Plymouth County, Massachusetts. Battery construction started in 1943, was completed in 1943 and transferred to the Coastal Artillery for use in 1943. Deactivated in 1946.

World War II

Part of the Harbor Defense of Boston, Massachusetts.
The AMTB battery at Fort Revere consisted of two 90mm guns mounted on 90mm M3 fixed gun mounts and two 90mm guns mounted on 90mm M1A1 mobile gun mounts. Concrete pads were provided for both fixed guns and often wooden gun platforms were provided for the mobile guns. Two earth covered concrete magazines provided protection for the ammunition. Electric power was provided by M-7 portable generators.

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 or 4.5 miles. 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)

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File:Fort Revere Battery AMTB 941.jpg

Battery AMTB 941 Plan

Current Status

Part of Fort Revere Park, Plymouth County, Massachusetts. No period gun or mounts in place.

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Location: Fort Revere Park, Plymouth County, Massachusetts. Maps & Images Lat: 42.307372 Long: -70.906041 Multi Maps from ACME Maps from Bing Maps from Google Elevation: .....'

Sources:

• U.S. Army Corps of Engineers, FUDS Archives Search Report, Findings, Fort Revere, Project No. D02MA021502, September 1995. Large PDF Download
• U.S.Army, Supplement to the Harbor Defense Project of Boston, Massachusetts, (HDB-AN-45), 31 Jan 1945, CDSG

Links:

• CDSG

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