Hingham Naval Ammunition Depot Annex
| Hingham Naval Ammunition Depot Annex | |
|---|---|
| Part of United States Navy | |
| Hingham, Massachusetts | |
| Coordinates | 42°12′22.95″N 70°50′49.82″W / 42.2063750°N 70.8471722°W |
| Type | Ammunition Depot Annex |
| Site information | |
| Controlled by | Navy |
| Open to the public |
Yes |
| Site history | |
| In use | 1941-1962 |
The Hingham Naval Ammunition Depot Annex, sometimes called the “Cohasset Annex” or "Hingham Annex" by local residents, covered sections of the towns of Hingham, Cohasset, Norwell, and Scituate Massachusetts. It served as an annex to the Hingham Naval Ammunition Depot.
The land for the Annex was bought by the U.S. Navy in 1941, from local landowners, to expand the nearby Hingham Naval Ammunition Depot, in Hingham. The Depot was the main ammunition supplier for Naval Forces of the U.S. Atlantic Fleet, during World War II, employing 2,091 civilians along with 721 naval officers and sailors and 375 Marine guards at its peak in June, 1945. A rail spur, sided off the Old Colony Greenbush Line, was built to facilitate the transfer of ammunition, stored in cement bunkers at the Annex, to the Depot at the Hingham Shipyard.
Reverted to maintenance status after the War, the Annex was reactivated for the Korean War, during which time it held some of the Navy's first experimental nuclear depth charges, in bunker N9. Depth charges, bombs, and rocket motors were assembled at the Annex until declared surplus, by the Navy, in 1962.
The Commonwealth of Massachusetts took possession of the Annex, in 1966, and later turned the 3,500 acres (14 km2) into the present day Wompatuck State Park. The last military activity at the Annex took place when the U.S. Army Reserve 187th Infantry Brigade was stationed at United States Army Reserve Center Hingham from 1971 to 1982.
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