North Korea's 9 May announcement that it had conducted an "underwater test-fire of a Korean-style powerful strategic submarine ballistic missile" from a "strategic submarine" has prompted more questions than answers about the state of the country's submarine capabilities. The state-run Rodong Sinmun newspaper published a series of photographs showing a missile, with Pukgeukseong-1 (Polaris-1) written on the side, emerging from the water while North Korean leader Kim Jong Un watched nearby.
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