{
  "id": 8613520,
  "title": "(Yonhap Feature) Inside S. Korea's new submarine: a rare look into naval power, global push",
  "url": "https://urgent.news/2026/09/20/yonhap-feature-inside-s-koreas-new-submarine-a-rare-look-into-naval",
  "topic": "world",
  "section": "World",
  "published": "2026-09-20T05:00:01.000Z",
  "source": {
    "name": "Yonhap News",
    "slug": "yonhap-news",
    "url": "https://en.yna.co.kr/view/AEN20260918003200315"
  },
  "original_language": "en",
  "account": "Down a narrow and cramped corridor inside South Korea's new submarine lies an overwhelming array of advanced technology. This 89-meter-long, 3,600-ton Seo Hui attack submarine, the second vessel in the ambitious Jang Bogo-III Batch-II program, stood docked at Hanwha Ocean Co.'s shipyard in Geoje when unveiled to the press. Standing as a testament to South Korea's naval power, the Seo Hui features vertical launch tubes for submarine-launched ballistic missiles, an upgraded sensory suite, and an integrated combat management system. Equipped with advanced weaponry, the submarine's hybrid propulsion system—combining an air-independent propulsion fuel-cell system with high-capacity lithium-ion batteries—provides unprecedented submerged endurance, allowing it to remain underwater longer than any other diesel-fueled vessel. Its spacious crew quarters and upgraded living conditions mark a significant departure from earlier submarine models. The Seo Hui is set to launch in November, joining a fleet of advanced vessels designed to counter North Korea's expanding naval capabilities.",
  "summary": "GEOJE, South Korea, Sept. 20 (Yonhap) -- Down a steep, vertical steel ladder fro...",
  "key_points": [
    "Seo Hui is 89-meter-long, 3,600-ton submarine",
    "Features vertical launch tubes for SLBMs and upgraded sensory suite",
    "Hybrid propulsion system enables extended submerged endurance"
  ],
  "editors_take": "South Korea's new submarine showcases the country's enhanced naval power and ability to counter North Korea's expanding capabilities with advanced technology and improved living conditions for its crew.",
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "The Korea Times",
        "title": "Inside the Seo Hui: A look at Korea's newest submarine",
        "url": "https://urgent.news/2026/09/20/inside-the-seo-hui-a-look-at-koreas-newest-submarine",
        "published": "2026-09-20T05:07:03.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}