The 10 Oldest Military Submarines Still Serving Today

Did you know some submarines built during the Cold War — and even one tracing its origins back to World War II — are STILL serving today? In this video, we count down the 10 oldest submarines still in active service, revealing their age, history, incredible upgrades, and the navies that continue to rely on them. From Taiwan’s legendary Hai Shih submarine to Cold War icons like the Type 209, Kilo, Agosta, and Oscar-class boats, these underwater veterans refuse to retire. 🌊⚓ Discover: ✅ The oldest operational submarine in the world ✅ How 40–80-year-old submarines stay mission-ready ✅ Cold War submarines still guarding modern oceans ✅ The navies operating these historic vessels today ✅ Amazing facts submarine enthusiasts rarely know If you love military history, naval warfare, submarines, and military technology, this countdown is for you! 🔥 Watch until the end to see the oldest submarine still serving today! 👍 Like | 💬 Comment your favorite submarine | 🔔 Subscribe for more military and naval content Sources for submarine ages and service histories include reports and reference material on classes such as Hai Shih, Type 209, Agosta, Kilo, Victor, Oscar, Zwaardvis/Hai Lung, and others. FAIR-USE COPYRIGHT DISCLAIMER Copyright Disclaimer under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, commenting, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use. The Buzz does not own the rights to these videos and pictures. They have, in accordance with fair use, been repurposed with the intent of educating and inspiring others. However, if any content owners would like their images removed, please contact us by email [email protected].