Fort Frank
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Fort Frank was one of the defense forts at the entrance to Manila Bay established by the United States. The entire island was designated as Fort Frank, in honor of Brigadier General Royal T. Frank, as
14-inch (356 mm) M1910 gun fires at Fort MacArthur, San Pedro, California.
12-inch (305 mm) mortars, similar to those of Battery Koehler.
Panama mount
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The Panama Mount is a form of gun mount for fixed coastal artillery developed by the U.S. Army in Panama during the 1920s. Widely used during the buildup to and during World War II by the United State
155 mm gun M1918 with Panama Mount
The Panama mount featured a central concrete pier surrounded by a concrete-embedded steel ring
Typical plan for Panama mount
Panama mount in Western Australia showing center concrete pier and concrete beams