S. Korea aims to establish missile destruction system by 2020

South Korea plans to establish a pre-emptive missile destruction system by 2020 to guard against growing missile and nuclear threats from North Korea, the defense minister said Tuesday.

The "kill chain" system is designed to detect signs of impending missile or nuclear attacks and launch pre-emptive strikes that eliminate the threat.

The system involves spy satellites, surveillance drones for monitoring and attack systems, including missiles, fighter jets and warships.

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