Subsurface Counterbalance: Pakistan Navy Demonstrates Combat Readiness with Maiden Hangor-Class Missile Firing

 

On September 26, 2026, the Pakistan Navy successfully executed the maiden live weapon firing from its first Hangor-class submarine, PNS/M Hangor, in the North Arabian Sea. Witnessed at sea by Chief of the Naval Staff Admiral Naveed Ashraf, the operation involved the precision engagement of a long-range surface target using an anti-ship cruise missile. Fired only months after the lead boat completed its delivery voyage from China to Karachi following commissioning, this live-fire validation confirms that the platform’s combat system, sensors, and weapons integration are fully operational, marking a significant milestone in Pakistan's multi-billion-dollar effort to modernize its underwater fleet.

The integration of the Hangor-class—a custom variant of China's Type 039B/041 Yuan-class diesel-electric submarine—directly addresses the growing numerical and qualitative asymmetry in the Indian Ocean Region (IOR). Under a landmark eight-boat procurement agreement with China, four hulls are being constructed at China Shipbuilding Trading Company (CSTC) yards, while the remaining four are being assembled locally at Karachi Shipyard & Engineering Works (KS&EW). Equipped with Air-Independent Propulsion (AIP) systems, these platforms provide significantly extended underwater endurance compared to legacy Agosta 90B boats, allowing the Pakistan Navy to maintain covert, persistent sea-denial patrols along critical maritime chokepoints and coastal approaches without the frequent need to snorkel.

Beyond standard surface-warfare capabilities, the operationalization of the Hangor class enhances Pakistan’s strategic deterrence posture at sea. While the recent drill validated long-range anti-ship cruise missile targeting, the platform’s large-diameter torpedo tubes and modern combat management system also provide the structural foundation for deploying the Babur-3 submarine-launched cruise missile (SLCM). The capability to launch nuclear-capable, low-flying cruise missiles from concealed subsurface positions provides Islamabad with a survivable second-strike vector, reinforcing its doctrine of full-spectrum deterrence against potential adversary pre-emptive strikes or blockades.

From a tactical perspective, the arrival of AIP-equipped stealth submarines fundamentally alters anti-submarine warfare (ASW) dynamics in the Arabian Sea. Operating in the shallow, acoustically complex littoral waters off the coastline, the Hangor class's reduced acoustic signature makes passive sonar detection exceptionally difficult for opposing surface task forces and airborne maritime patrol platforms. By distributing strike options across multiple AIP-enabled submarines, the Pakistan Navy forces regional opponents to allocate disproportionate ASW assets for screening capital ships, complicating adversary operational planning and raising the threshold for hostile naval intrusions.

Ultimately, the successful missile engagement by PNS/M Hangor signals that the Pakistan-China naval partnership is transitioning from industrial delivery to real-world combat capability. As additional hulls undergo fitting-out and trial phases in both Wuhan and Karachi, the progressive induction of all eight Hangor-class submarines over the coming years will establish a formidable underwater barrier. For the Pakistan Navy, achieving combat readiness on its flagship AIP submarine ensures a robust sea-denial capability, safeguarding vital sea lines of communication while preserving a delicate strategic balance across the northern Indian Ocean.

Britain's Newest Submarine Took Two Years to Go From "Launched" to "Actually at Sea"

 

HMS Agamemnon was launched in December 2024. It didn't actually leave Barrow-in-Furness for its first sea trials until this month, nearly two years later. For a submarine already built and named, sitting in the water, that's a genuinely long gap between "exists" and "does the thing it exists to do," and Naval News's own reporting doesn't paper over what that gap represents: it "underscores the industrial challenges facing BAE Systems," with the sixth Astute-class boat unlikely to reach full operational capability before late 2027, three years after its own launch ceremony.

The submarine itself, once it clears trials, is a genuinely serious platform. Astute-class boats run Rolls-Royce PWR2 reactors that never need refueling across a 25-year service life, carry Tomahawk cruise missiles and Spearfish heavyweight torpedoes, and are built to hunt other submarines, escort carrier strike groups, and gather intelligence with a sonar suite BAE Systems and the Royal Navy both describe as capable of detecting threats from hundreds of miles away. HMS Agamemnon specifically has been built with what the program calls "enhanced capabilities" over its five Astute-class predecessors, though neither this reporting nor the Royal Navy's own public statements specify exactly what's changed.

What makes the delay worth dwelling on is where it sits inside a much larger, much higher-stakes production pipeline. Barrow-in-Furness isn't just building six Astute-class attack submarines, it's simultaneously the site meant to deliver the follow-on Dreadnought-class ballistic missile submarines and, under the AUKUS pact, contribute to the SSN-AUKUS program that's supposed to eventually produce a new submarine roughly every 18 months across both British and Australian construction. A single Astute boat needing close to three years between launch and full operational readiness is a data point worth taking seriously against that considerably more ambitious future cadence, the same shipyard, the same workforce, and the same industrial base are being asked to hit a pace substantially faster than what Agamemnon's own timeline just demonstrated.

The money being poured into fixing exactly this kind of bottleneck gives some sense of how seriously the problem is being treated. The UK's Defence Investment Plan allocates £46.9 billion specifically to the submarine enterprise as part of a broader £298 billion equipment program, and £15 billion has already gone toward expanding sovereign nuclear warhead production. That's real, substantial money aimed at exactly the industrial capacity questions Agamemnon's own delay raises, but pouring money into a shipyard's capacity doesn't compress workforce training, supply chain maturity, or testing timelines overnight, and those are precisely the constraints that produced a two-year gap between this submarine's launch and its first trip to sea.

None of this means Agamemnon itself is a troubled boat, once operational it will be a genuinely capable addition to the Royal Navy's submarine fleet, and delays between launch and full service are common enough across submarine programs generally that this one shouldn't be read as uniquely alarming on its own. But as a single data point inside a program that's about to be asked to build submarines considerably faster than it currently does, for two navies simultaneously under AUKUS, Agamemnon's own three-year runway from launch to operational readiness is exactly the kind of detail worth watching closely rather than filing away as a routine milestone.