Indonesia Begins Construction of First Domestically Built Scorpene Submarine

KUALA LUMPUR, AUGUST 2026 — Indonesia has officially begun construction of its first domestically built Scorpene-class submarine, marking a significant milestone in the country’s efforts to strengthen its naval capabilities and increase independence within its defense industry.

The physical construction phase began with a first steel-cutting ceremony at the PT PAL Indonesia shipyard in Surabaya, East Java, on August 7, 2026. Indonesian Navy Chief of Staff Admiral Muhammad Ali said the submarine is expected to take approximately eight years to complete.

The submarine is being constructed primarily by Indonesian personnel with technical assistance from French naval defense company Naval Group. The cooperation is part of Indonesia’s strategy to acquire advanced submarine technology while developing local expertise in producing sophisticated military platforms.

Indonesia’s partnership with Naval Group and PT PAL covers the development of two Scorpene Evolved submarines. The project includes technology transfer, training and knowledge-sharing to strengthen Indonesia’s ability to build, operate and maintain submarines domestically.

The Scorpene variant being developed for Indonesia is expected to offer more advanced capabilities than earlier versions. The submarine measures nearly 72 metres in length and is designed to operate at greater depths while remaining underwater for extended periods.

The vessel is also expected to be equipped with torpedoes and guided missiles, providing Indonesia with stronger underwater combat capabilities as the country continues to modernise its naval fleet.

Beyond expanding military capability, the programme is expected to strengthen Indonesia’s domestic defense manufacturing ecosystem. PT PAL has prepared its production facilities, technical workforce and quality-control processes to support submarine construction according to international standards.

Technology transfer is a key component of the Indonesia-France cooperation. Indonesian engineers and technical personnel have received specialised training related to submarine manufacturing, maintenance and operational systems.

The Indonesian Navy has also prepared personnel who will eventually operate the submarines. Selected crew members are being sent to France for specialised training with naval and industry experts ahead of the submarines’ future deployment.

The project reflects Indonesia’s broader ambition to achieve greater defense technology independence and reduce reliance on foreign-built military equipment. Developing submarines domestically could also strengthen PT PAL’s position as one of Southeast Asia’s key naval shipbuilders.

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