Global Overview of Military Submarines

Aug 11, 2024

Notes on Military Submarines Around the World

Introduction

  • Overview of military submarines: 471 known submarines globally.
  • Significance of submarines in projecting power and protecting national interests.
  • 43 countries operate submarines, but most have small fleets.

Submarine Types and Capabilities

Smaller Navies

  • Smaller countries typically operate diesel-powered submarines.
  • Diesel submarines require surfacing to recharge batteries, making them less effective than nuclear submarines.
  • Advantages: Stealth and ability to lurk undetected.
  • Countries with limited resources benefit significantly from even one submarine.

Israel

  • Operates five modern submarines, two capable of underwater operation for a week.
  • Can launch nuclear warhead missiles, aimed at deterring threats from Iran.
  • Submarines purchased from Germany.

Germany

  • Operates six long-range submarines and exports submarine technology.

Australia

  • Currently has a small fleet but acquiring advanced nuclear-powered submarines through a deal with the US and UK.

Greece and Turkey

  • Both have a similar number of submarines focused on securing coastal waters.
  • Neither country has nuclear-powered submarines but possess advanced diesel submarines.

India

  • Operates at least two nuclear-powered submarines with nuclear missile capabilities.
  • Plans to build a fleet of six advanced attack submarines.

Iran

  • Operates four large diesel-powered submarines and at least 15 mini subs for coastal patrols.

Major Powers

North Korea

  • Submarine fleet estimated at between 36 and 85 submarines, with varying degrees of functionality.
  • Capable of launching nuclear-armed missiles despite aging technology.

China

  • Operates 58 submarines, with a growing number of nuclear-powered subs.
  • Building new stealthy submarines to project power regionally and globally.

Russia

  • Second-largest fleet with 62 submarines, half powered by nuclear energy.
  • Capable of launching nuclear weapons from submarines.
  • Recently unveiled the Poseidon torpedo, a long-range nuclear weapon.

United States

  • Most powerful submarine force with 68 nuclear-powered submarines.
  • Submarines capable of launching multiple nuclear warheads over long distances (up to 12,000 km).
  • Ongoing construction of 12 new submarines to replace aging fleet by 2042.

Conclusion

  • Submarines play a crucial role in national defense and power projection.
  • Continued advancements in submarine technology and capabilities are expected.
  • Future inquiries and topics for further discussion on submarines are welcomed.