US nuclear submarine visits ROK, showing off asset for countering North Korea | NK News
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September 18, 2026Sep 18, 2026

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US nuclear submarine visits ROK, showing off asset for countering North Korea

First such visit under Lee administration comes after DPRK slammed a previous US submarine port call as ‘outrageous’

A U.S. nuclear-powered submarine arrived at a South Korean naval base in the southern port city of Busan on Tuesday, the first such visit under the Lee Jae Myung administration and the latest display of Washington’s strategic presence to counter North Korean threats.

The USS Greeneville (SSN-772), a 6,900-ton Los Angeles-class submarine assigned to the U.S. Pacific Fleet’s Submarine Squadron 11, entered Busan Naval Base for logistics replenishment and crew rest, according to the South Korean navy on Tuesday.

The submarine homeported in San Diego is equipped with Tomahawk cruise missiles, 12 vertical launch system cells, MK-48 torpedoes and