The shape design considering the radar stealthy performance is a very important content for the military naval vessel vitality, and will influence the ship fighting utility directly.

舰艇雷达隐身性能设计是舰艇生命力设计的重要内容，直接影响其作战效果。

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This belief in escalation dominance can be seen in the recent actions of an emboldened -- and some would say desperate -- North Korea, which has resorted to limited surprise uses of military force, first sinking a South Korean naval vessel and then shelling an island near the disputed maritime Northern Limit Line.

CNN: Three paths to war on the Korean Peninsula

Pyongyang not only has a history of provocative verbal threats, but it has taken reckless military actions as recently as two years ago, when the North sank a South Korean naval vessel and shelled an island occupied by the South.

CNN: Nuclear deterrence could restrain N. Korea, Iran