Vietnam Launches First Homegrown Anti-Sub Frigate
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- Vietnam's defense ministry held the steel-cutting ceremony at Song Thu Shipyard in Da Nang for the country's largest domestically designed surface warship, an unnamed anti-submarine frigate slated for completion within 36 months.
- The frigate integrates indigenous AESA radar, air-defense missiles, and VCM-01 anti-ship missiles developed with Viettel and domestic defense units, while retaining Russian-derived armament including a 76.2mm main gun, RBU-6000 rocket launchers, VLS, and torpedo tubes.
- Deputy Defense Minister Lieutenant General Pham Hoai Nam framed the project as part of broader efforts to modernize the navy and gain strategic autonomy, though Vietnamese officials have not publicly identified a specific adversary.
- China's submarine fleet of approximately 60 vessels—including six SSNs, two SSGNs, six SSBNs, and over 50 conventional SSKs—vastly outnumbers Vietnam's six Kilo-class submarines, framing the frigate within an asymmetric two-tier posture.
- Vietnam's Kilo-class submarine maintenance costs may run three times their acquisition costs, keeping the boats mostly in port, per IISS analyst Evan Laksmana, a constraint that would also apply to the new frigate fleet.
- Vietnam still sources 70% of its heavy military equipment from Russia, per a 2025 Russian Journal of Vietnamese Studies article, with maintenance, spare parts, training, and systems integration keeping Moscow central despite diversification efforts.
- Vietnam has diversified suppliers with a May 2026 BrahMos missile deal with India, Israeli SPYDER air defense systems, Heron drones, EXTRA rocket artillery, South Korean K9 howitzers, and US Hamilton-class cutters following the 2016 arms embargo lift.
Why it matters: Vietnam's shipbuilding industry faces significant bottlenecks—metallurgical gaps, aging yards, and the bankruptcy of state-owned SBIC—meaning one frigate cannot close the 54-submarine gap with China. The real test is whether Hanoi can build a sustainable defense-industrial ecosystem while avoiding a simple swap of Russian dependence for dependence on another external supplier.
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