|Part of Harbor Defenses of New Bedford|
|155mm GPF Garden Island WA 1943 AWM 054026.jpeg|
|Built by||United States Army|
|Battles/wars||World War II|
The Butler Point Military Reservation was built on land purchased in 1942. Its mission was to protect the southern entrance of the Cape Cod Canal from possible air and naval attack. It was mirrored at the northern entrance by the Sagamore Hill Military Reservation. It never fired its guns in anger, but it did play an important part in the defense of the canal.
In 1942 the reservation had an unnamed battery of two 155 mm towed guns on "Panama mounts", circular concrete platforms for this type of gun. This battery was withdrawn in 1943 when an Anti-Motor Torpedo Boat (AMTB) battery of four 90 mm guns called AMTB 934 was built. This battery had an authorized strength of four 90 mm guns, two on fixed mounts and two on towed mounts, plus two towed 37 mm M1 guns or 40 mm Bofors M1 guns.
The site was disarmed in 1946.
The two Panama mounts remain, but are partly buried.
- Berhow, Mark A., Ed. (2015). American Seacoast Defenses, A Reference Guide, Third Edition. McLean, Virginia: CDSG Press. ISBN 978-0-9748167-3-9.
- Lewis, Emanuel Raymond (1979). Seacoast Fortifications of the United States. Annapolis: Leeward Publications. ISBN 978-0-929521-11-4.
- List of all US coastal forts and batteries at the Coast Defense Study Group, Inc. website
- FortWiki, lists most CONUS and Canadian forts
- Harbor Defenses of New Bedford at NorthAmericanForts.com
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