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In page North Korea and weapons of mass destruction:

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  • Hwasong-6 – later Scud modification. Similar to the Hwasong-5, yet with an increased range (550–700 km) and a smaller warhead (600–750 kg). Apparently this is the most widely deployed North Korean missile, with at least 400 missiles in use.
  • Hwasong-7[1] – Also known as Nodong or Rodong-1, larger and more advanced Scud modification. Liquid-fueled, road-mobile missile with a 650 kg warhead. First production variants had inertial guidance, later variants featured GPS guidance, which improves CEP accuracy to 190–250 m.[citation needed] Range is estimated to be between 1,300 and 1,600 km.
  • Hwasong-9 – The Hwasong-9, also known as Scud-ER, is further development of Hwasong-6 with range of (1000–1000+ km) and is capable of hitting Japan.[2][3][4]