Sonarman 3 & 2


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Introduction to Sonar


Book Description

Fundamentals of sonar systems are presented in this book, prepared for both regular navy and naval reserve personnel who are seeking advancement in rating. An introductory description is first made of submarines and antisubmarine units. Determination of underwater targets is analyzed from the background of true and relative bearings, true and relative motion, and computation of target angles. Then, applications of both active and passive sonars are explained in connection with bathythermographs, fathometers, tape recorders, fire control techniques, internal and external communications systems, maintenance actions, test methods and equipment, and safety precautions. Basic principles of sound and temperature effects on wave propagation are also discussed. Illustrations for explanation use, information on training films and the sonar technician rating structure are also provided.




Naval Training Bulletin


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All Hands


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Naval Reservist


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For Crew and Country


Book Description

The acclaimed WWII historian recounts the most dramatic naval battle of the Pacific War and the incredible sacrifice of the USS Samuel B. Roberts. On October 25, 1944, the Samuel B. Roberts, along with the other twelve vessels comprising its unit, stood between Japan’s largest battleship force ever sent to sea and MacArthur’s transports inside Leyte Gulf. Faced with the surprise appearance of more than twenty Japanese battleships, cruisers, and destroyers—including the infamous Yamato—the Samuel B. Roberts turned immediately into action with six other ships. Captain Copeland marked the occasion with one of the most poignant addresses ever given to men on the edge of battle: “Men,” he said over the intercom, “we are about to go into a fight against overwhelming odds from which survival cannot be expected.” The Samuel B. Roberts went down with guns blazing in a duel reminiscent of Davy Crockett’s Alamo defenders. The men who survived faced a horrifying three-day nightmare in the sea, where they battled a lack of food and water, scorching sun, numbing nighttime cold, and bloodthirsty sharks. In For Crew and Country, John Wukovitz vividly chronicles the Battle off Samar, one of history’s greatest clashes at sea.




The Sonarman's War


Book Description

This memoir is an intimate and sometimes irreverent account of one man's coming of age during World War II. Born a North Carolina farmboy, Jones served as a U.S. Navy sonarman aboard a wooden submarine chaser operating from Africa and Sicily during the Allied invasions at Anzio and Southern France. He also served as sonarman and yeoman on two fleet mine sweepers in the Okinawa, Formosa and China operations. This memoir is drawn not only from memory, but from the author's surviving diaries from the conflicts, daily logs of the three ships upon which he served, and the secret reports of military commanders and other official records.