Honolulu in Honolulu County, Hawaii — Hawaiian Island Archipelago (Pacific Ocean)
Bofors 40MM Quad Gun
Photographed by Darren Jefferson Clay, November 26, 2025
1. Bofors 40MM Quad Gun Marker
Introduced in 1942, the Bofors was the standard intermediate range gun on U.S. Navy destroyer escorts and other surface ships until the 1950s. It had a firing rate of 120 rounds per minute, and fired a two pound projectile with a maximum horizontal range of 33,000 feet.
It was never used on submarines but would have been on USS Missouri and other surface ships throughout World War II.
Topics. This historical marker is listed in these topic lists: War, World II • Waterways & Vessels. A significant historical year for this entry is 1942.
Location. 21° 22.145′ N, 157° 56.319′ W. Marker is in Honolulu, Hawaii, in Honolulu County. It can be reached from Arizona Memorial Road west of Kamehameha Highway (Hawaii Highway 99), on the left when traveling north. Touch for map. Marker is at or near this postal address: 11 Arizona Memorial Rd, Aiea HI 96701, United States of America. Touch for directions.
Regionally, this marker is on Hawaii’s Pearl Harbor and Historic West Oahu. Globally, it is in North America, Polynesia, the Pacific Ocean, North Pacific, the Pacific Rim, the Western Hemisphere, the Western
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Other nearby markers. At least 8 other markers are within walking distance of this marker: Submarine Rescue Chamber (SRC) (here, next to this marker); Submarine Propeller USS Darter (SS-576) (a few steps from this marker); A Desperate Measure (a few steps from this marker); Battle Stations Surface! 31 July 1944 (a few steps from this marker); Harpoon Missile (a few steps from this marker); Inside a Kaiten (a few steps from this marker); USS Parche (a few steps from this marker); Tomahawk Land Attack Missile (TLAM) (a few steps from this marker). Touch for a list and map of all markers in Honolulu.
Photographed by Darren Jefferson Clay, November 26, 2025
2. Bofors 40MM Quad Gun Marker
Credits. This page was last revised on January 29, 2026. It was originally submitted on January 23, 2026, by Darren Jefferson Clay of Duluth, Georgia. This page has been viewed 49 times since then. Photos: 1, 2. submitted on January 23, 2026, by Darren Jefferson Clay of Duluth, Georgia. • Devry Becker Jones was the editor who published this page.
