(London Telegraph) Despite North Korea's highly-publicised missile tests, relatively little is known about the actual size and capabilities of its arsenal.
The regime is understood to have substantial numbers of short- and intermediate-range missiles such as the Nodong, a variant on the Scud missile.
With a range of around 1,000km, the Nodong could in theory strike in South Korea and Japan. However, its poor accuracy makes it an ineffective battlefield weapon and it is unlikely North Korea would be able to pinpoint US military bases in the region, although it could cause serious civilian casualties.
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