ThyssenKrupp Invincible Class

ThyssenKrupp Invincible Class

Type: Submarine

Domain: sea

Country of Origin: Singapore

Manufacturer: ThyssenKrupp Marine Systems

Overview

Singapore operates four Invincible-class submarines (Type 218SG), the most advanced conventional submarines in Southeast Asia. Developed by ThyssenKrupp Marine Systems Germany specifically for Singapore, each vessel features fuel-cell AIP enabling weeks of submerged endurance without snorkeling. Armament includes heavyweight torpedoes and Harpoon anti-ship missiles. All four vessels were commissioned between 2021 and 2024, giving Singapore a complete modern submarine fleet providing credible sea denial throughout the Malacca Strait and surrounding waters.

Technical Specifications

Crew28
TypeType 218SG Submarine
Range>10,000 nm snorting
Length70 m
Armament8× torpedo tubes (533mm); UGM-84 Harpoon; heavyweight torpedoes
Endurance>45 days
Max Speed>20 knots (submerged)
PropulsionAIP (Air-Independent Propulsion) + diesel-electric
Displacement2,200 tonnes (surfaced)

Operators

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