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YOG–42
USS ''YOG-42'' was a gasoline barge built by Concrete Ship Constructors, in National City, California, National City, California. She was launched on March 23, 1943. Acquired by the United States Navy on May 23, 1943. She was assigned to the Pacific War, Asiatic-Pacific Theater, and survived the WWII, war. Re-designated ''YOGN-42'' in May 1946, she was struck from the Naval Register on August 15, 1949. Sometime the next year, she was intentionally beached on the north coast of Lanai, Lānaʻi in the Hawaiian Islands. Construction USS ''YOG-42'' was built by Concrete Ship Constructors, in National City, California, National City, California as ''Concrete No. 5'' a non-self-propelled, Maritime Commission, Type B ship, type B7-A2, barge- hull (watercraft), hull (MC 638). She was laid down on December 6, 1942, and launched on March 23, 1943. Acquired by the United States Navy on May 23, 1943, USS ''YOG-42'' was assigned to the Pacific War, Asiatic-Pacific Theater. Service i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oerlikon 20 Mm Cannon
The Oerlikon 20 mm cannon is a series of autocannons, based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II. Many versions of the cannon are still used today. Blowback-operated models History Origins During World War I, the German industrialist Reinhold Becker developed a 20 mm caliber cannon, known now as the 20 mm Becker using the advanced primer ignition blowback (API blowback) method of operation. This used a 20×70mmRB cartridge and had a cyclic rate of fire of 300 rpm. It was used on a limited scale as an aircraft gun on ''Luftstreitkräfte'' warplanes, and an anti-aircraft gun towards the end of that war. Because the Treaty of Versailles banned further production of such weapons in Germany, the patents and design works were transferred in 1919 to the Swiss firm SEMAG (''Seeba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
