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"After the Cheonan Investigation Report: What's Next?"

Former soldiers with the South Korean Headquarters of Intelligence Detachment unit tear a North Korean flag during a rally against North Korea in Seoul, South Korea, May 20, 2010. South Korea accused North Korea of sinking a naval warship in March.
AP Photo

"After the Cheonan Investigation Report: What's Next?"

On the Issues

Policy Memo, United States Institute of Peace

May 20, 2010

Author: John S. Park, Faculty Affiliate, Project on Managing the Atom

Belfer Center Programs or Projects: International Security; Managing the Atom; Science, Technology, and Public Policy


South Korea officially concludes that a North Korean torpedo sank the Cheonan — Where do we go from here?


"The South Korean government on May 20, 2010 released the findings of its international investigation into the March 26 sinking of the Cheonan, a 1,200-ton South Korean naval vessel.  The investigation team-composed of experts from South Korea, the United States, Australia, Britain, and Sweden-officially stated that: "The evidence points overwhelmingly to the conclusion that the torpedo was fired by a North Korean submarine. There is no other plausible explanation."1

USIP's John Park answers some questions regarding South Korea's next steps and how other key countries and players may react, and the prospects for resuming the Six-Party Talks on North Korea's nuclear program.

  • What are the key findings from the South Korean-led Joint Civilian-Military Investigation Group (JIG) report on the sinking of the Cheonan?

  • What is the South Korean government planning to do now?

  • How will other key countries and players respond to South Korea's report?

  • What is your overall assessment as we enter the post-South Korean investigation phase?..."

    Continue reading:


    1 "Investigation Result on the Sinking of ROKS Cheonan," ROK Ministry of National Defense, May 20, 2010. 


    For more information about this publication please contact the ISP Program Coordinator at 617-496-1981.

    Full text of this publication is available at:

    For Academic Citation:

    Park, John S. "After the Cheonan Investigation Report: What's Next?." Policy Memo, United States Institute of Peace, May 20, 2010.

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