On the Attack Against ROK Ship Cheonan

Summary

Part I. Overview
(Situation Overview, Situation Development, Investigation Activities, Overall Shape and Structures of ROKS Cheonan)

Part II. Analysis on Possible Causes of the Sinking
(Non-explosion, Internal Explosion, External Explosion)

Part III. Detailed Analysis Results by Team
1. Shape and Trace Analysis
2. Evidence Analysis
3. Testimony Analysis
4. Results of Postmortem and Surviving Patient Examinations
5. Explosion Type Analysis
6. Analysis on Shock Response to Underwater Explosion
7. Analysis on Sea Area of the Incident
8. Propulsion Motor System of Torpedo

Part IV. Conclusion

Appendix
I. CCTV Recovery and Analysis Result
II. Underwater Explosion Phenomenon
III. Analysis Result on Direction and Location of the Explosion
IV. Analysis Result on Charge Size and Depth
V. Analysis Result on Adhered Materials
VI. Stability Analysis Result
VII. Basic Hull Strength Analysis Result