Losses due other causes = 11, of which the cause of 8 was unknown. Fast Attack submarines have a crew of around 134, broken into about 120 enlisted and 14 officers, while SSBNs have an additional 16 enlisted and usually an additional officer. The new organization was entitled Submarines, Pacific Fleet. Submarine Report - Vol. They also had submarines with the highest submerged speeds (I-201-class submarines) and submarines that could carry multiple aircraft (I-400-class submarines). Any time the submarine sends a signal, it identifies its position, and loses the secrecy that is at the core of the crew’s mission. There were many heros among the officers and enlisted men of the submarine force in World War II. The Commander of a submarine which transmitted a radio message could pretty well be assured that his position was immediately known to within about 10 miles. UNITED STATES SUBMARINE OPERATIONS IN WORLD WAR II. while running at greater depths. The typical fleet boat had six 21" torpedo tubes in the forward torpedo room and four in the after torpedo room. The U-530 was a Type IXC/40 submarine, and it was an improvement on the smaller models that had been used previously. 23 commonly fired in World War II had a number of faults. The submarine had six torpedo tubes and carried 22 torpedoes. Type II U-Boat. They were armed for surface offense and defense with a single 3", 4", or 5" gun mounted either forward or abaft the conning tower as desired by the Commanding Officer. The latter was generally used for carrying the "hotel" load. Type I U-Boat. U.S. COUNTRIES. American submarines acted alone to destroy the Japanese ocean transport system during the first two years of the war. Of these, the number of ships sunk was: U.S. Submarines sank the following major Japanese combatant ships of 1,000 tons or more: The total confirmed and probable Japanese Naval & Merchant Ships sunk Thirty nine made 11; twenty eight made 12; 12 made 13; 7 made 14; and 5 made 15. Endurance was limited by personnel, weapon, food and fuel consumption considerations. By doctrine it was normally only used at night for fear of revealing the presence of an ASW ship or aircraft. A more serious problem was that too many of those which should have been hits were adjudged to be misses. United States Strategic Bombing Survey. As the war churned on, submarine technology changed as well. The geographical boundary between the operating areas assigned ComSubPac (or ComSubForPac) and ComSubSoWesPac was subject to slight revisions as time passed, but finally was stabilized at a line drawn along the 20° north parallel from the coast of China to a line just a few miles east of the Philippine Archipelago, then directly south to the equator, and then eastward along the equator. The USS Grayback and its 80 crew members disappeared in 1944 when it was attacked by a Japanese aircraft. About 16,000 of these made war patrols. Nine TANG survivors including O'Kane were picked up by a Japanese destroyer which had also picked up survivors from one of the ships sunk by TANG. Although U-boats had been updated in the interwar years, the major innovation was improved communications and encryption; allowing for mass-attack naval tactics. SAURY was credited with damage to one destroyer. Later, to meet the increased demands of the war, submarines were assembled in the dry docks which were normally used to repair vessels. As the war churned on, submarine technology changed as well. What I find realy interssting is the high numbers of Petty Officers espeically compared to the Sailors especially scince when you compare it with the composition of the crew of german WW 2 submarines it's kinda the other way around the ration Petty Officers (Maate) to Sailors (Matrosen) was like 1 - 2.5 on German submarines but it's almost 3 - 1 on US fleet Submarines. The bow planes failed to rig out. 18 electric torpedo, copied from a German torpedo that ran up on the beach, was put into production as a step in correcting this problem. On June 24, 1943, Admiral Nimitz sent a message to all submarines and destroyers directing them to deactivate the magnetic exploder and fire all torpedoes for impact hits. The Mk. DORADO (Schneider), en route from New London to Panama was sunk by friendly aircraft on 12 October 1943. Our Fleet Class submarines had been designed as advanced scouts for that force. BUGARA (Schade) sank 57 small craft by gunfire during one patrol. Drum was completed by November of 1941, just in time for the … By 1944, most of the active S-boats were based at the Naval Repair Base, San Diego, California. 1935. It was transporting a large task force of Japanese scientists and technicians south to organize the resources of the conquered territory for supporting the Japanese war effort. Due to the steam torpedo shortage in late 1942 and in 1943 it became necessary to send some submarines on patrol with mixed torpedo loads, as well as mixed mine and torpedo loads. GREENLING (Bruton, Grant and Gerwick) made 26 successful attacks during 12 patrols and was credited with sinking 15 ships. Each section stood four hour watches unless at Battle Stations, which was an all-hands evolution. I'm writing an amateur movie script about a WW2 submarine crew. A detection range of 6 to 8 miles on a ship's masts showing above the horizon is about average during daylight in good weather. Sounds spacious, but it isn’t. The vessel was scuttled by its crew in July 1917 and all 26 men surrendered to French authorities. List of specifications of submarines of World War II, List of World War II ships of less than 1000 tons, "US Navy Inactive Classification Symbols", Dictionary of American Naval Fighting Ships, "Royal Navy operations in the Second World War", "A WWII submarine went missing for 75 years. She was credited with 17 ships. This was partially successful. All Rights Reserved. I have been collecting patrol logs of fleet boats in an attempt to get a statistical average of a typical sub's crew. By August 1942 the depth problem was corrected by setting the torpedoes to run at shallower depths than originally designated for various types of ships. Pasqual Mignon, a torpedoman, shot down the first Japanese plane downed in the attack, the first kill of WWII. SaltiDawg. RN Submarine Operations - Another submariner won the Victoria Cross. These losses were serious, but a far more serious loss brought about by our submarines was the failure of the Japanese merchant marine to provide the Japanese home islands with critical war materials. POLARIS; a monthly magazine published by the U.S. The number of officers increased from 5 to 8 or 9. A Few Submarine Counterattack Experiences. HOME. To wage war abroad 18 had a hangar with room for ww2 submarine crew size BOMBERS usage these charges in... For Operation `` Galvanic '', and submerged displacement of 1650 to 2400 tons carried to Mindanao an. Commentary for Das Boot system during the war the s-class submarines were commissioned during the war contained an charge... Be awarded the Congressional Medal of Honor, the oxygen-propelled type 95 average number submarine. 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