Fort Weaver

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Fort Weaver (1899-1948) - A U.S. Army Coastal fortification first established as Iroquois Point Military Reservation in 1899 on Keahi Point, Honolulu County, Hawaii. Named Fort Weaver in G.O. 13, 1922, after Major General Erasmus M. Weaver Jr. (Cullum 2563), Chief of the Coast Artillery Corps (1911-1918). Abandoned in 1948.

Fort Weaver, Battery Williston 16" Gun

World War I (1917-1918)

Part of the Harbor Defense of Pearl Harbor.

As a result of a 1915-1916 War Department review board two additional large caliber gun batteries were built after the Taft Period coastal fortification construction was complete in Hawaii. The two batteries were Battery Closson on Fort Kamehameha and Battery Williston on what became Fort Weaver.

At the time it was selected for the new battery Fort Weaver was still Iroquois Point Military Reservation and there were no facilities on the site and no garrison. This site was located on the left side of the entrance to Pearl Harbor with Fort Kamehameha on the right side.

Construction on Battery Williston began in October 1921 and was transferred for service on 19 Sep 1924. This was a two gun 16" all round fire (ARF) battery emplaced in the open on circular concrete pads. These guns were mounted on M1919 long range carriages that elevated to 35 degrees for maximum range.

After activation Battery Williston was serviced by troops who arrived by boat from nearby Fort Kamehameha. Later a small cantonment was built. In 1934 Battery 155 - Fort Weaver was emplaced in front of Battery Williston. This battery consisted of four 155mm GPF guns on mobile carriages emplaced on fixed concrete Panama mounts. These guns were normally kept in gun parks and not kept on the Panama mounts.

Fort Weaver World War I Battery (edit list)
Battery
Click on Battery links below
No. Caliber Type Mount Service Years Battery Cost Notes
Battery Williston 2 16" Barbette LR 1921-1924-1924-1948 $ 121,550 ARF
Destroyed
Battery 155 - Fort Weaver 4 155mm Panama Mount 1934-1934-1934-1944 $ 5,912 One Panama Mount
Visible in Surf
Source: CDSG
Fort Weaver 1934 Plan


World War II (1941-1945)

Fort Weaver World War II Battery (edit list)
Battery
Click on Battery links below
No. Caliber Type Mount Service Years Battery Cost Notes
Battery AMTB - Fort Weaver 2 90mm Fixed 1943-1945 $ ?
Source: CDSG

Current Status

No remains, now a housing area, Honolulu County, Hawaii. One Panama mount can be seen in the surf via Google Satellite maps.


USGS Geographic Names Information System (GNIS) Database Entry: 1946878


Location: Keahi Point, Honolulu, Honolulu County, Hawaii.

Maps & Images

Lat: 21.3205556 Long: -157.9822222

Sources:

  • Roberts, Robert B., Encyclopedia of Historic Forts: The Military, Pioneer, and Trading Posts of the United States, Macmillan, New York, 1988, 10th printing, ISBN 0-02-926880-X, page 247
  • Williford, Glen and McGovern, Terrance, Defenses of Pearl Harbor and Oahu 1907-50, Osprey Publishing, 2013, Print ISBN 9781849085723
  • Grobmeier, Alvin H., Officers of the U.S. Army and Others in Honor of whom Coast Artillery Forts and Batteries in Hawaii Have Been Named, CDSG News, Vol. 6, No. 4 (Nov. 1992), pp. 66-67
  • CDSG

Links:

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