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B1 Type Submarine
The , also called was the first group of boats of the Type B cruiser submarines built for the Imperial Japanese Navy (IJN) during the 1940s. In total 20 were built, starting with , which gave the series their alternative name. Design and description The Type B submarines were derived from the earlier KD6 sub-class of the and were equipped with an aircraft to enhance their scouting ability. They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of . They had a diving depth of .Bagnasco, p. 189 For surface running, the boats were powered by two diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a electric motor. They could reach on the surface and underwater.Chesneau, p. 200 On the surface, the ''B1''s had a range of at ; submerged, they had a range of at . The boats were armed with six internal bow torpedo tubes and carried a total of 17 torpedoes. They were also armed with a single /40 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naval Ensign Of Japan
The national flag of Japan is a rectangular white banner bearing a crimson-red circle at its center. This flag is officially called the , but is more commonly known in Japan as the . It embodies the country's sobriquet: the Land of the Rising Sun. The ''Nisshoki'' flag is designated as the national flag in the Act on National Flag and Anthem, which was promulgated and became effective on 13 August 1999. Although no earlier legislation had specified a national flag, the sun-disc flag had already become the ''de facto'' national flag of Japan. Two proclamations issued in 1870 by the Daijō-kan, the governmental body of the early Meiji period, each had a provision for a design of the national flag. A sun-disc flag was adopted as the national flag for merchant ships under Proclamation No. 57 of Meiji 3 (issued on 27 February 1870), and as the national flag used by the Navy under Proclamation No. 651 of Meiji 3 (issued on 27 October 1870). Use of the ''Hinomaru'' was severely restri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull Hull may refer to: Structures * Chassis, of an armored fighting vehicle * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a ship * Submarine hull Mathematics * Affine hull, in affi ..., and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USS O'Brien (DD-415)
USS ''O'Brien'' (DD-415) was a World War II-era in the service of the United States Navy, named in honor of Captain Jeremiah O'Brien and his five brothers, Gideon, John, William, Dennis and Joseph, who captured on 12 June 1775 during the American Revolution. ''O’Brien'' was laid down at Boston Navy Yard, Boston, Massachusetts, on 31 May 1938; launched on 20 October 1939; sponsored by Miss Josephine O’Brien Campbell, a great-great-great granddaughter of Gideon O’Brien; and commissioned on 2 March 1940. Since this warship was built in a drydock, along with the destroyers , , and , the christening and commissioning ceremonies were combined. Service history Following her commissioning, ''O'Brien'' operated along the Eastern Seaboard of the United States. World War II After drydocking and repairs during the fall of 1941, ''O'Brien'' left Norfolk, Virginia on 15 January 1942 along with the battleship and the destroyer , and then steamed for the Pacific Ocean. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USS North Carolina (BB-55)
USS ''North Carolina'' (BB-55) is the lead ship of the of fast battleships, the first vessel of the type built for the United States Navy. Built under the Washington Treaty system, ''North Carolina''s design was limited in displacement and armament, though the United States used a clause in the Second London Naval Treaty to increase the main battery from the original armament of twelve guns in quadruple turrets to nine guns in triple turrets. The ship was laid down in 1937 and completed in April 1941, while the United States was still neutral during World War II. Following the Japanese attack on Pearl Harbor in December, ''North Carolina'' mobilized for war and was initially sent to counter a possible sortie by the German battleship , though this did not materialize and ''North Carolina'' was promptly transferred to the Pacific to strengthen Allied forces during the Guadalcanal campaign. There, she screened aircraft carriers engaged in the campaign and took part in the B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USS Wasp (CV-7)
USS ''Wasp'' (CV-7) was a United States Navy aircraft carrier commissioned in 1940 and lost in action in 1942. She was the eighth ship named , and the sole ship of a class built to use up the remaining tonnage allowed to the U.S. for aircraft carriers under the treaties of the time. As a reduced-size version of the hull, ''Wasp'' was more vulnerable than other United States aircraft carriers available at the opening of hostilities. ''Wasp'' was initially employed in the Atlantic campaign, where Axis naval forces were perceived as less capable of inflicting decisive damage. After supporting the occupation of Iceland in 1941, ''Wasp'' joined the British Home Fleet in April 1942 and twice ferried British fighter aircraft to Malta. ''Wasp'' was then transferred to the Pacific in June 1942 to replace losses at the battles of Coral Sea and Midway. After supporting the invasion of Guadalcanal, ''Wasp'' was hit by three torpedoes from Japanese submarine on 15 September 1942. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HMNZS Tui (T234)
HMNZS ''Tui'' (T234) was a of the Royal New Zealand Navy. She was commissioned in 1941 for minesweeping and anti-submarine roles. ''Tui'' was the first of two ships with this name to serve in the Royal New Zealand Navy and was named after a native bird from New Zealand. War service In March 1942 in Scotland, ''Tui'' and the four s, ''Killegray'', ''Inchkeith'', ''Sanda'' and ''Scarba'' had been newly built for New Zealand. They were formed into a flotilla and departed from the River Clyde with a convoy bound for Canada. The trawler flotilla then left for Auckland, arriving there in August. In Auckland, ''Tui'' was assigned to the 25th Minesweeping Flotilla and sailed for Suva to replace . In December she joined her sister ships and at Nouméa. The 25th Minesweeping Flotilla had been offered to COMSOPAC, and by early December ''Tui'', ''Moa'', and ''Kiwi'' with ''Matai'' as flotilla leader, were all together at Nouméa ready to move north. They sailed for the Solomons, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santa Barbara, California
Santa Barbara ( es, Santa Bárbara, meaning "Saint Barbara") is a coastal city in Santa Barbara County, California, of which it is also the county seat. Situated on a south-facing section of coastline, the longest such section on the West Coast of the United States, the city lies between the steeply rising Santa Ynez Mountains and the Pacific Ocean. Santa Barbara's climate is often described as Mediterranean, and the city has been dubbed "The American Riviera". According to the 2020 U.S. Census, the city's population was 88,665. In addition to being a popular tourist and resort destination, the city has a diverse economy that includes a large service sector, education, technology, health care, finance, agriculture, manufacturing, and local government. In 2004, the service sector accounted for 35% of local employment. Education in particular is well represented, with four institutions of higher learning nearby: the University of California, Santa Barbara, Santa Barbara City C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaiten
were crewed torpedoes and suicide craft, used by the Imperial Japanese Navy in the final stages of World War II. History In recognition of the unfavorable progress of the war, towards the end of 1943 the Japanese high command considered suggestions for various suicide craft. These suggestions were initially rejected, but later deemed necessary. Various suicide craft were developed in the Japanese Special Attack Units. For the Navy, this meant ''Kamikaze'' planes, '' Shinyo'' suicide boats, ''Kaiten'' submarines, and '' Fukuryu'' suicide divers or human mines. The ''Kamikazes'' were somewhat successful, and the second most successful were the ''Kaitens''. Research on the first Kaiten began in February 1944, followed on 25 July of the same year by the first prototype. By 1 August, an order for 100 units had been placed. Development The very first Kaiten was nothing much more than a Type 93 torpedo engine compartment attached to a cylinder that would become the pilot's co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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