Fort Dawes
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Fort Dawes was a World War II Coast Artillery fort located on Deer Island in Winthrop/Boston, Massachusetts. It was part of the Harbor Defenses of Boston.
16-inch casemated gun, similar to Battery 105.
6-inch gun at Fort Columbia State Park, Washington state, similar to Battery 207.
The modern era of defending American harbors with controlled mines or submarine mines began in the post-Civil War period, and was a major part of US harbor defenses from circa 1900 to 1947.
Fort Dawes
…part of the Harbor Defenses of Boston. The site's military history began in 1906 as the Deer Island Military Reservation, acquired for fire control and mine field control as part of the Taft program. During World War II, Fort Dawes was initially the site of a target detection radar for the harbor defenses and…
A controlled mine (at left), with the distribution box that connected it and the other mines in its group to the mine casemate on shore.
This WW2-era mine, with its anchor, is on display at Fort Warren in Boston Harbor.
The mine casemate at Fort Strong, Long Island, Boston Harbor, once the control point for mines in the southern channels to the harbor.
A mine casemate had a control panel like this for each 19-mine group under its command. The controls were used to test and to fire the mines.