1 of 2 | U.S. Under Secretary of State for Political Affairs Allison Hooker (C) arrives at South Korea's foreign ministry building in Seoul on Tuesday for talks on security-related agreements. Photo by Yonhap

South Korea and the United States launched new high-profile talks Tuesday to discuss the implementation of security agreements reached by their leaders, including Seoul's push to acquire nuclear-powered conventionally armed submarines.

The first day of the two-day inaugural talks focused on security-related provisions laid out in a bilateral joint fact sheet issued following a summit between President Lee Jae Myung and U.S. President Donald Trump in October, according to the South Korean foreign ministry.

"The meeting carries significance in that long-delayed security consultations have finally begun and are back on track," foreign ministry spokesperson Park Il said at a press briefing.

"Cooperation and partnership between South Korea and the U.S. in the nuclear sector will help deepen and broaden the bilateral alliance," he added, stressing the government's commitment to fully implementing the agreed-upon issues.