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With Tokugawa Yoshinobu victory in the Boshin War japan stated a golden age. The 16th Tokugawa shogun. Tokugawa Iesato orders a massive ship building program. He opposed war with the united states. Tokugawa Iesato died on June 5, 1940. Tokugawa Iemasa became the 17th Tokugawa shogun lake his father he opposed war with the united states. Under his leadership japan wold complete the 5 Yamato Class Battleships and one of the Shogun Class Battleships( Design A-150 ) by the end of 1947.


At the same time a pro battleship and isolationist Congress canceled other aircraft carrier construction instead ordering more battleships. Constriction of the 6 Iowa class Battleships is accelerated with all commissioned between 1940 and 1944. Harry S. Truman was elected President in 1944. 6 Montana class Battleships are ordered but the final 3 are Canceled in may of 1945 do to navel intelligence diced that the Shogun Class Battleships are armed with 18 inch guns. To counter the Shogun Class Battleships 5 Battleships beast on the 1936 Tillman IV-2 study are ordered. At the same time all the Nevada class or prior Battleships are scraped. The new Class of Battleships are the mass 80,000 ton, 1,000 foot Oklahoma Class mounting fifteen 18” guns in five triple turrets.







By may of 1944 the war in Europe had became a stalemate with out US help for the Allies.
This would state that way until 1948.


May 10th 1947 Tokugawa Iemasa and his son are assassinated and the 7 year old Tokugawa Tsunenar becomes the 18th Tokugawa shogun. Hideki Tōjō is named the regent for Tokugawa Tsunenar. Relations between The U.S.A and Japan continue to fall a part.


On November 26, 1947, a Japanese task force of six aircraft carriers (Akagi, Kaga, Sōryū, Hiryū, Shōkaku, and Zuikaku) and the Battleships Yamato, Musashi, Shinano, and shogun, departed northern Japan en route to a position to northwest of Hawaii, intending to launch its aircraft to attack Pearl Harbor. In all, 408 aircraft were intended to be used: 360 for the two attack waves.


The Attack on December 7th 1947 on Pearl Harbor damages the fleet badly.
Damage report
Arizona – 2 bombs magazine Exploded; total loss.
Iowa-8 torpedo Capsized; total loss
Yorktown 5 bombs aircraft weapons magazine Exploded; total loss.
USS Wasp 8 torpedo Capsized; total loss
Maine 7 torpedo 2 bombs Damage from Exploded Arizona; settling to the harbor bottom on an even keel to be repaired
Montana 4 torpedo 18 degree list to port
Missouri six bombs, 2 torpedo, beached


3 hours before sun set Enterprise, Hornet, Lexington, Saratoga with where at sea ding the attack on Pearl Harbor find the japans forces. Chester William Nimitz orders an attack. Akagi, Kaga, Sōryū, are sunk in the attack. Nimitz with out order chose to chase the japans fleet. Nagumo splits his force seeding the battleships one way and his reaming carers other.


11:15 am December 8 1947 the us carriers lunch another attack on the japans carers sinking the Hiryū, Shōkaku, and badly damaging the Zuikaku. The US carriers lose contacted with the japans. Nimitz diced to tire to find them. 2:22 Am December 9th the Battleships Yamato, Musashi, Shinano, and shogun open fire on the US Carriers at a range of 2 miles. Nimitz had sealed his Carriers Strait in to the Japanese Battleships at night.
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