{
  "id": 6581956,
  "title": "In 1981, an old Canadian sub 'sank' US carrier",
  "url": "https://urgent.news/2026/09/10/in-1981-an-old-canadian-sub-sank-us-carrier",
  "topic": "business",
  "section": "Business",
  "published": "2026-09-10T11:22:33.000Z",
  "source": {
    "name": "The Economic Times",
    "slug": "the-economic-times",
    "url": "https://economictimes.indiatimes.com/news/international/global-trends/in-1981-a-canadian-oberon-class-submarine-and-worth-about-80-million-slipped-past-an-entire-us-navy-carrier-group-and-sank-one-of-the-most-capable-american-aircraft-carriers-in-a-nato-war-game/articleshow/134006289.cms"
  },
  "original_language": "en",
  "account": "In 1981, a Canadian diesel-electric submarine made headlines by successfully attacking an American aircraft carrier during a NATO exercise. The vessel, a British-built Oberon-class submarine, managed to slip past the defenses of a powerful US Navy carrier strike group and carry out a simulated torpedo attack on the USS Dwight D. Eisenhower, one of America's most advanced aircraft carriers at the time. Despite being significantly older and lacking advanced technology, the Canadian submarine's ability to remain quiet and undetected allowed it to close in on the Nimitz-class supercarrier and achieve a simulated kill. The USS Eisenhower, valued at around $5.5 billion in today's money, was one of the newest and most capable American aircraft carriers of its era. The incident demonstrated that even with outdated technology, submarines could still pose a significant threat to modern carriers, emphasizing the ongoing challenge of underwater warfare and the importance of remaining undetected.",
  "summary": null,
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "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."
}