The missile was launched from the eastern port of Sinpo where North Korea usually bases its submarines.

这枚导弹是东部港口新浦发射的，这里也是朝鲜潜艇通常停泊的地方。

State media described it as a submarine launch from waters of the eastern coastal city of Sinpo.

官方媒体将其描述为从东部沿海城市新浦水域发射的潜艇。