OVERVIEW: The *Tunku Abdul Rahman* [Scorpene] is a diesel-electric attack submarine operated by the Royal Malaysian Navy.

DETAILS: The *Tunku Abdul Rahman*, named after Malaysia's first Prime Minister, is one of two Scorpène-class submarines acquired by Malaysia as part of a modernization program aimed at enhancing its maritime security capabilities. The Scorpène design, developed by Naval Group (formerly DCNS) of France and Navantia of Spain, represents a modern, conventionally powered submarine tailored for export markets. The design emphasizes stealth, endurance, and firepower, making it a potent asset for anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence, surveillance, and reconnaissance (ISR) operations. The Malaysian acquisition reflects a growing trend among Southeast Asian nations to bolster their submarine fleets, driven by concerns over maritime security and territorial disputes. The submarine was constructed at the DCNS shipyard in Cherbourg, France, and commissioned into the Royal Malaysian Navy in 2010.

The primary roles of the *Tunku Abdul Rahman* are centered around ASW, ASuW, and maritime surveillance. Its inherent stealth and sophisticated sensor suite make it particularly well-suited for detecting and tracking enemy submarines and surface combatants. In an ASW role, the submarine can conduct independent patrols, escort high-value assets, or participate in coordinated fleet operations. Its ASuW capabilities allow it to engage enemy surface ships with torpedoes, posing a significant threat to enemy naval operations and merchant shipping. Additionally, the *Tunku Abdul Rahman* is equipped for ISR missions, providing valuable intelligence to the Royal Malaysian Navy regarding enemy activities and maritime traffic.

The *Tunku Abdul Rahman*'s effectiveness is significantly enhanced by its advanced sensor suite. The TRS 3100 Calypso III radar, integrated with the DRUA 33C radar warning receiver, provides surface detection and navigation capabilities. The AR-900S radar intercept receiver contributes to situational awareness by detecting and analyzing enemy radar emissions. The TSM 2233M Scylla sonar suite, incorporating the DSUV 2H towed array and DUUA 2D flank arrays, provides long-range detection and classification of underwater targets. The TSM 2243 fire control system integrates sensor data and weapon systems for precise targeting. The Series 30 SMS Photonics Mast allows for visual observation and image capture while minimizing the submarine's exposure. In terms of armament, the 533mm torpedo tubes provide the capability to launch a variety of torpedoes against surface and subsurface targets, while the C303/S DL decoys offer a self-defense capability against incoming torpedoes.

SPECIFICATION: Length: 70.0 m || Beam: 6.2 m || Draft: 5.8 m || Disp: 1870 t

SENSORS: TRS 3100 Calypso III [DRUA 33C] || AR-900S || TSM 2233M Scylla [DSUV 2H + DUUA 2D] || TSM 2243 || Series 30 SMS Photonics Mast

ARMAMENT: 533mm TT || C303/S DL