Core Viewpoint - The U.S. Navy's nuclear-powered submarine "Greenville" has docked at the Busan operational base in South Korea for resupply and crew rest, marking its first visit to South Korea in approximately 10 months [1] Group 1 - The "Greenville" submarine is a 6,300-ton vessel, measuring 110 meters in length and 10 meters in width, capable of carrying over 110 personnel [1] - The submarine is equipped with Tomahawk cruise missiles, 12 vertical launch systems (VLS), torpedoes, and four torpedo tubes [1] Group 2 - This visit follows the previous docking of the submarine "Alexander Hamilton" in Busan on February 10 of this year [1]