Battery 209

 (1944-1947) - Battery 209 was a reinforced concrete, World War II 6 inch coastal gun battery on Outer Brewster Island Military Reservation, Suffolk County, Massachusetts. Later named Battery Jewell. Battery construction started 8 Jun 1942, was completed 31 Jan 1944 and transferred to the Coast Artillery for use in 1944. Deactivated in 1947.

World War II
Originally built as a World War II concrete coastal gun battery with two 6" T2-M1 rapid fire guns mounted on M3 Shielded Barbette Carriages (SBC) placed on either side of an earth covered reinforced concrete magazine and support structure. Power was supplied by internal generators and commercial power.

There is some indication that the battery was damaged in a category 4 hurricane that hit the New England coast 14-16 September 1944. A notation in the FUDS reports indicated that the battery was unsited in late 1944 and resited in 1945.

The battery was deactivated in 1947.



Current Status
Part of Boston Harbor Islands national park area managed by Massachusetts Department of Conservation and Recreation (DCR). No period guns or mounts in place.

Sources:
 * U.S. Army Corps of Engineers, FUDS Archives Search Report, Findings for the former Outer Brewster Island Military Reservation, Project No. D01MA048202, March 1998. Large PDF Download

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