"The Battle of Cape Lookout" Topic

"When Hubbard's ship was commissioned in April 1943, she was originally equipped with two depth charge racks and two "K-guns" (see photo of PC-815 at right, taken on April 13, 1943; click on it to see a larger picture). The racks were used to roll depth charges off the ship's stern. The K-guns were guns shaped roughly like a letter K which were used to catapult depth charges some distance away from the sides of the ship. Hubbard's first destination in command of the PC-815 was Seattle, to fit a new depth charge system called Mousetrap. His "submarine battle" took place using the older system, as fitted by the builders.

The PC-815 was also equipped with a sonar system. Hubbard had undergone training on this device at Key West, Florida, immediately prior to taking up duties associated with the PC-815. He had qualified, although he came near the bottom of the class (coming 20th out of 25). The system was housed in a streamlined retractable dome projected beneath the ship's bottom but operative only at moderate speeds – at this time, up to 18 knots – due to water friction. It could work in active and passive modes, echo-ranging with a series of sharp pings or listening for the noise of a submarine's propellers or machinery…"

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World War II destroyer USS Edsall found after 82 years

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