I-402
| 國家 | 日本 |
| 艦級 | I-400 級 潛艇 |
| 造船廠 | Sasebo Naval Arsenal |
| 安放龍骨日期 | 1943年10月20日 |
| 服役日期 | 1945年7月24日 |
| 沉沒日期 | 1946年4月1日 |
| 排水量 | 5,223 tons standard; 6,560 tons submerged |
| 長度 | 400 feet |
| 寬度 | 39 feet |
| 吃水 | 23 feet |
| 動力來源 | Four diesel engines totalling 7,700hp, electric motors totalling 2,400hp |
| 速度 | 18 knots |
| 續航力 | 37,500nm at 14 knots |
| 乘員 | 157 |
| 武裝 | 8x533mm forward torpedo tubes, 20x533mm Type 95 torpedoes, 1x140mm gun, 3x25mm machine guns, 1x25mm machine gun |
| Submerged Speed | 6.5 knots |
Contributor: C. Peter Chen
ww2dbaseSubmarine I-402, along with her sister submarines, were the largest submarines in the world until 1965. Built at Sasebo, Japan seven months after the launch of the first ship in the class, her plans were changed mid-way through the construction, converting her from a submarine aircraft carrier to an aviation fuel tanker. After her completion, she joined Submarine Squadron 1 of the Sixth Fleet with Commander Otoji Nakamura in command. She remained in port at Kure, Japan in late Jul 1945 and did not join her sister ships in the abortive attack on Ulithi in the Caroline Islands. At 1040 on 11 Aug, while at Kure, she was attacked by two P-51D Mustang fighters; the strafing punctured the main fuel tanks and wounded two sailors.
ww2dbaseThe Americans never learned of the existence of the I-400-class submarines until their crews surrendered. I-402 was studied by the United States Navy at Sasebo, Japan between Oct 1945 and Apr 1946. As the Russians planned a mission to Sasebo to study captured Japanese submarines, the US Navy decided to launch Operation Road's End on 1 Apr 1946, which used I-402 as a target ship for destroyer USS Larson. She was later scuttled off Nagasaki, Japan near the Goto Islands.
ww2dbaseSources: Nihon Kaigun, Wikipedia.
Last Major Revision: Oct 2008
Submarine I-402 互動地圖
I-402 Operational Timeline
| 1943年10月20日 | The keel of I-402 was laid down at Sasebo Naval Arsenal, Japan. |
| 1945年7月24日 | I-402 was commissioned into service. |
| 1945年8月11日 | I-402 suffered a punctured fuel tank during an American air attack on Kure, Japan. |
| 1946年4月1日 | I-402 was scuttled 60 miles off Sasebo, Japan at 1300 hours. |
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Chiang Kaishek, 31 Jul 1937
14 Nov 2011 05:55:37 AM
Although the Japanese had very good submarines,some even better than the allies or the German U-boats.The Japanese never fully utilized them in dedicated attack role.Some were used that way and inflicted considerable damage to Allied fleets,but many Japanese subs were used as transports,recon,and underwater seaplane carriers this shows how resourceful the Japanese were with their subs.However the Japanese subs were treated as a "Jack of all trades and a master of none".Had more Japanese subs been used like attack subs like German U-boats they would have sunk more Allied ships.The Germans use of their U-boats resulted in them sinking more Allied ships earlier in the war,but as the Allies developed better countermeasures,the U-boats were unable to overcome them and began to lose their advantage as well as the war.The German U-boats were a master of the "wolfpack" attack on enemy shipping but were not flexible enough to change tactics when the tide turned against them. That resulted in a 70% attrition rate for U-boats and crews in the war.