North Korea appears to be building its first operational ballistic missile submarine. Satellite images analyzed by 38 North seem to indicate that construction of such a vessel is well underway ...

Satellite imagery first analyzed by the North Korean monitoring website 38 North revealed an unidentified object next to a quay at North Korea’s Sinpo shipyard ... as a naval base and is ...

At the same time, given that Sinpo has a submarine base, it is also possible that Kim made an unofficial visit to the base on a multipurpose trip. Meanwhile, Pak Tae-song, Kim’s closest aide and ...

A look into Sinpo and Mayang-do: the keys to North Korea's ongoing search for a ballistic missile submarine. North Korea's submarine-launched ballistic missiles are making steady progress.