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reference news network reported on october 7according to a report on the us newsweek website on october 4, an advanced nuclear-powered submarine of the us navy arrived in japan on the 4th.

the attack submarine "seawolf" arrived in yokosuka, kanagawa prefecture, japan, according to a ship observer who posted a photo of the submarine on the social platform the kanagawa prefectural government confirmed the visit of the us submarine. "seawolf" is the first submarine of the "seawolf" class submarine.

the u.s. navy said the seawolf and its two submarines of its class are "exceptionally quiet, fast, and well-equipped with advanced sensors." each submarine is equipped with eight torpedo tubes and can carry multiple weapons.

according to the u.s. naval institute news network, the seawolf class submarine was originally developed for deep water operations to counter soviet submarines. after the end of the cold war, this class of submarines was upgraded and modified to perform sensitive missions.

"newsweek" reported that the u.s. navy has a large-scale attack submarine force, with more than 50 attack submarines, all powered by nuclear reactors. the "seawolf" class submarine is part of it. these submarines are designed to search for and destroy enemy vessels, project power, and perform intelligence missions.

according to reports, the "seawolf" is the only "seawolf" class submarine currently available. the second submarine of this class, the uss connecticut, hit a submarine mountain in the south china sea on october 2, 2021, injuring 11 crew members. according to the professional media french "naval news" website, the damaged submarine is currently undergoing repairs, which are estimated to cost us$80 million, and is expected to return to service in early 2026.

the third seawolf-class submarine, the uss jimmy carter, features advanced technology for special operations, tactical surveillance and mine warfare. with a displacement of 12,158 tons and a length of 453 feet (approximately 138 meters), it is larger than the other two submarines of the same class. according to the puget sound naval shipyard and intermediate maintenance base, the uss jimmy carter was docked in a dry dock there for scheduled maintenance on august 21. the site is in bremerton, washington, where the submarine uss connecticut also undergoes repairs. (compiled/xu yanhong)