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Pakistan’s Chinese-Built Submarines Will Soon Join the Fleet

Pakistan’s naval shift is here. New stealth submarines hit sea trials as Babur corvettes join the fleet. See the full 2026 timeline and what comes next.

Photo of the Pakistan Navy's fourth Hangor-class submarine, PNS/M Ghazi

On 17 December, the fourth S26/Type 039B Hangor-class submarine (PNS/M Ghazi) was launched for sea trials, while the second of four MILGEM Babur-class corvettes (PNS Khaibar) was commissioned into the Pakistan Navy (PN) fleet on 21 December.

According to a press release by the PN’s Director General of Public Relations (DGPR), all four of the Hangor-class submarines built in China are “undergoing rigorous sea trials and are in the final stages of being handed over to Pakistan.”

The lead boat (PNS/M Hangor) was launched for sea trials in April 2024, while the second (PNS/M Shushuk) and third (PNS/M Mangro) boats set sail in March and August 2025, respectively.

The PN Chief of Naval Staff (CNS), Admiral Naveed Ashraf, stated that the Hangor-class submarines will enter service with the PN in 2026. The four Chinese-built boats will join the PN fleet in quick succession or as a batch, thereby giving the sub-surface fleet an immediate capability boost.

The four remaining boats are being built at Karachi Shipyards & Engineering Works (KSEW), with the first entering production in December 2021, and work on the sixth began in February 2025.

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Bilal Khan

Bilal Khan

Founder of Quwa, Bilal has been researching Pakistani defence industry and security issues for over 15 years. His work has been cited by Pakistan's National Defence University (NDU), the Council of Foreign Relations, Bulletin of Atomic Scientists, Centre of Airpower Studies and many others. He has a Hons. B.A in Political Science and Masters of Interntional Public Policy from Wilfrid Laurier University in Waterloo, Ontario, Canada.

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