Calf Island Military Reservation was a World War II coastal defense site located on Calf Island in Hull, Massachusetts.
History In 1920 there was a proposal to build a naval-type turret with two 16-inch guns on Great Brewster Island, but this was not implemented. Calf Island was also considered, but the battery was finally built (without a turret) as Fort Duvall.Parkman, pp. 123-125
The Calf Island Military Reservation was built in 1941 on state land. It consisted of an early SCR-268 radar, searchlight station, and an observation post. It was returned to the state in 1946.
The site today The site today consists of the foundation of the observation tower.
See also Seacoast defense in the United States United States Army Coast Artillery Corps List of military installations in Massachusetts
References
External links List of all US coastal forts and batteries at the Coast Defense Study Group, Inc. website