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yesterday

Singapore Signs Contract for Two More Invincible-Class Submarines

The additional vessels, scheduled for delivery from 2034, will expand the Republic of Singapore Navy's fleet to six submarines, enhancing maritime security and long-term naval capabilities.

Type 218SG submarine mockup on TKMS booth at IMDEX Asia 2025
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Overview

  • Singapore's Ministry of Defence formalized a contract with Thyssenkrupp Marine Systems on May 8, 2025, to acquire two additional Invincible-class submarines.
  • The acquisition will increase the Republic of Singapore Navy's fleet to a total of six submarines, strengthening its ability to safeguard critical sea lines of communication.
  • The new submarines, customized for operations in shallow, busy tropical waters, will feature advanced air-independent propulsion and lean crew operation capabilities.
  • The first two Invincible-class submarines, RSS Invincible and RSS Impeccable, were commissioned in September 2024, with the third and fourth vessels expected to arrive in Singapore by 2028 following trials in Germany.
  • The expansion is part of Singapore's long-term strategy to modernize its navy and maintain sustained maritime readiness in the region.