page_title: Japanese submarine I-7
hierarchical_section_title: Japanese submarine I-7
caption_attribution_description: English: Japanese Submarine I-7 (JUNSEN-class, type III). 日本語: 日本海軍巡潜III型「伊号第7潜水艦」
context_page_description: I-7 was a J3 type submarine built by Kawasaki, Kobe, for the Imperial Japanese Navy in the 1930s. She was a large cruiser submarine that entered service in 1935 and served in World War II. She operated in support of the attack on Pearl Harbor, conducted anti-shipping patrols in the Indian Ocean, supported the Indian Ocean raid, and took part in the Guadalcanal campaign and the Aleutian Islands campaign. She was wrecked in the Aleutian Islands after a lengthy battle with the destroyer USS Monaghan in June 1943..
context_section_description: I-7 was a J3 type  submarine built by Kawasaki, Kobe, for the Imperial Japanese Navy in the 1930s. She was a large cruiser submarine that entered service in 1935 and served in World War II. She operated in support of the attack on Pearl Harbor, conducted anti-shipping patrols in the Indian Ocean, supported the Indian Ocean raid, and took part in the Guadalcanal campaign and the Aleutian Islands campaign. She was wrecked in the Aleutian Islands after a lengthy battle with the destroyer USS Monaghan (DD-354) in June 1943..
caption: I-7 on her commissioning day, 31 March 1937.
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