Battery 242

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Battery 242 (1944-1948) - A World War II era Battery built in 1944 as a reinforced concrete Coastal Artillery Battery on Fort MacArthur. Named after Maj. Harry J Harrison 10 Jun 1946. Decommissioned in 1948.


Battery 242 History

Part of the Harbor Defenses of Los Angeles.

Battery 242 was a battery of two, 6" rapid fire Barbette mounted guns on either side of an earth covered reinforced concrete support structure. Decommissioned in 1948.


6" Gun at Fort Columbia
6" Gun at Fort Columbia
These 6" World War II coastal gun batteries were designed to replace obsolete Endicott Period Batteries. Of the 87 planned only 45 were completed and many of those were not completed until late in the war (1944-1945).

The 6" guns fired a 105 pound armor-piercing projectile with a range of over 15 miles at a rate of up to 5 rounds per minute. The gun crews were protected by a thick shield around the gun. Only six of these guns remain in the world, two at Fort Columbia in Battery 246, two at Fort Pickens in Battery 234, and two at Fort McAndrew in Battery 282 in Argentia, Canada.

6" Gun Crew
6" Gun Crew


Battery 242 Armament (edit list)
Empl.
No.
Caliber Type Barrel
Length
Model Serial
No.
Manufacturer Carriage Service
Dates
Notes
1 6" Rifle 309.9" T2-M1 28 Watervliet Barbette, M4, #11, Wellman 1944-1948
2 6" Rifle 309.9" T2-M1 29 Watervliet Barbette, M4, #12, Wellman 1944-1948
Source: Coastal Defense Study Group Notes: Serial numbers may not be in the correct gun positions
Battery 242 Plan
Battery 242 Plan


Current Status

Battery destroyed to make way for a housing development


Location: former Bolsa Chica Military Reservation 20 miles south of Fort MacArthur, California

Maps & Images Lat: 33.7098469 Long: -118.0505419

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Battery 242 Picture Gallery

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