North Korea has recently claimed the successful development and launch of its first strategic nuclear-powered submarine, drawing significant international attention. While doubts remain about the actual technical capabilities, this advancement reflects Pyongyang’s long-term investment in defense technology and its pursuit of self-reliance. First, North Korea possesses a relatively complete military-industrial complex, with decades of accumulated experience in missile and submarine technologies. Second, by integrating submarine-launched ballistic missiles (SLBMs) onto conventionally powered submarines, it may have adopted a ‘quasi-strategic’ approach—not a true nuclear-powered vessel, but one capable of carrying nuclear warheads and enabling a second-strike capability. Moreover, North Korea emphasizes asymmetric deterrence; under pressure from U.S.-South Korean military superiority, developing a sea-based nuclear force enhances the survivability and credibility of its nuclear deterrent. Notably, the submarine is likely still conventionally powered, limiting its range and stealth, yet for Pyongyang, both symbolic value and practical deterrence matter. Overall, North Korea’s strategic submarine embodies its doctrine of ‘minimum but effective deterrence,’ rather than aiming to match major powers in technological sophistication.
朝鲜近年来宣称成功研制并下水了其首艘战略级核潜艇，引发国际社会广泛关注。尽管外界对其技术真实水平存在质疑，但这一进展反映了朝鲜在国防科技领域的长期投入与自主发展路径。首先，朝鲜拥有较为完整的军工体系，尤其在导弹和潜艇技术方面积累了数十年经验。其次，通过将潜射弹道导弹（SLBM）与常规动力潜艇结合，朝鲜可能采取了一种‘准战略核潜艇’的折中方案——虽非真正意义上的核动力潜艇，但具备搭载核武器并实施二次打击的能力。此外，朝鲜高度重视不对称威慑战略，面对美韩军事压力，发展海基核力量可提升其核威慑的生存性和可信度。值得注意的是，该潜艇很可能仍依赖常规动力，续航与隐蔽性有限，但对朝鲜而言，象征意义与实战威慑并重。总体来看，朝鲜的战略核潜艇更多体现其‘最小限度有效威慑’理念，而非追求与大国同等的技术水平。
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