The Seventh South Korea-U.S. Nuclear Security Working Group Meeting was held for two days in the U.S. state of California. 

The foreign ministry in Seoul said the meeting was held from Wednesday to Thursday at the Lawrence Livermore National Laboratory. 

The session was co-chaired by Lee Chul, Director-General for International Organizations and Nuclear Affairs, and Andrew Vogt, director of the Office of Nuclear Smuggling Detection and Deterrence under the National Nuclear Security Administration(NNSA). 

Also attending were officials from South Korea's foreign ministry, the Korea Atomic Energy Research Institute, the Korea Institute of Nuclear Nonproliferation and Control, NNSA, FBI as well as the U.S. federal and defense departments. 

Participants assessed the two countries’ cooperation in key fields and agreed to continue such collaboration. They include minimizing highly-enriched uranium, cooperating with the International Atomic Energy Agency, nuclear power facilities’ cyber security as well as responses to and preparations for radiological and nuclear terrorism.

The gathering is one of the working-level group meetings under the High Level Bilateral Commission(HLBC) which was established in accordance with revisions to the Agreement for Cooperation Between the United States of America and the Republic of Korea Concerning Peaceful Uses of Nuclear Energy in 2015. 

The HLBC serves as the highest-level consultative body between the two countries in terms of cooperation on nuclear energy.