The United States Navy's nuclear-powered attack submarine USS Vermont is christened at Electric Boat in Groton, Conn., Oct. 20, 2018. President Joe Biden and South Korean President Yoon Suk Yeol are set to sign an agreement including plans to have U.S. nuclear-armed submarines dock in South Korea for the first time in more than 40 years. (Sean D. Elliot/The Day via AP, File)
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