MOSCOW (Sputnik) — The Yonhap agency reported that the ministry was in the process of upgrading the PAC-2 Patriot anti-missile system at a military base in Gangwon Province into more effective PAC-3 Patriot system.
"Once the upgrading process for the Gangwon-based missiles is completed in 2018, the PAC-3 missiles there will be relocated to a base near Seoul," the ministry official said as quoted by the media.
Earlier in the day, it was reported that North Korea fired off three ballistic missiles. They were launched from North Hwanghae Province and flew around 600 kilometers (373 miles).
