India Conducts First NASM-SR Anti-Ship Missile Salvo from Helicopter Expanding Naval Strike Reach.

India has demonstrated a helicopter-launched anti-ship strike capability by firing two short-range missiles in rapid succession, reducing an enemy vessel’s reaction time and increasing the likelihood of a successful hit. This development strengthens close-range maritime combat options and enhances the Indian Navy’s ability to rapidly engage hostile ships in contested waters.

The test confirmed that naval helicopters can deliver coordinated, low-altitude attacks against surface targets using integrated targeting and tracking systems. This capability supports modern naval warfare trends focused on fast, flexible strike platforms and improves survivability by allowing stand-off engagement without exposing larger vessels to immediate threat.

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Indian Navy Sea King helicopter launches DRDO's NASM-SR anti-ship missile during a successful maiden salvo test off Odisha, validating India's indigenous air-launched maritime strike capability with precision waterline hit performance (Picture source: Indian MoD).

The firing was conducted from the Indian Navy’s Sea King 42B helicopter, making the event a practical bridge between legacy naval aviation and the next generation of Indian anti-surface warfare. NASM-SR matters because it gives helicopter crews a dedicated indigenous weapon against fast attack craft, patrol vessels, landing craft, and other surface combatants operating in littoral battle space.

NASM-SR is a compact subsonic anti-ship missile measuring about 3.6 meters in length, 300 mm in diameter and roughly 400 kg in launch weight. It has a reported range of 55 km, a speed of Mach 0.8, a flight envelope between 50 meters and 3 km, and the ability to carry a warhead of up to 100 kg, placing it in the category of tactical helicopter weapons optimized for precision effects rather than heavy standoff mass.

The missile uses a solid propulsion booster and long-burn sustainer, providing safe separation from the helicopter, acceleration after release and sufficient energy for terminal maneuvering. Its critical subsystems include the seeker, integrated avionics module, fibre-optic gyroscope-based inertial navigation system, radio altimeter, advanced guidance algorithms, high-bandwidth two-way data link and jet-vane control, all developed through Indian laboratories and industry partners.

The seeker and data link are central to the missile’s tactical value. In February 2025, DRDO and the Indian Navy demonstrated the Man-in-Loop function at ITR Chandipur, including bearing-only lock-on after launch, live seeker imagery transmitted back to the aircrew and in-flight retargeting. In that trial, the missile first acquired a larger target inside a search zone before the pilot selected a smaller hidden target during terminal flight, achieving a direct hit in sea-skimming mode at maximum range.

That capability is important because helicopter crews rarely receive a perfect target picture in congested coastal waters. A data-linked imaging infra-red seeker allows the crew to refine target selection after launch, reducing the risk of wasting a missile on a decoy, neutral vessel or lower-value contact when several ships are close together. It also gives commanders more flexibility when rules of engagement demand visual or sensor-based discrimination before impact.

The latest salvo test adds a different layer of combat relevance. A single subsonic missile can be tracked and engaged by shipborne guns, short-range missiles or soft-kill countermeasures, but two weapons arriving in close sequence multiply the defender’s workload and shorten the engagement window. This is the type of practical firing that separates a technology demonstration from an operationally credible naval weapon.

The waterline hit demonstrated off Odisha is equally important. A strike at or near the waterline can open the hull to flooding, damage propulsion spaces, disrupt electrical systems and create mission-kill effects disproportionate to the missile’s size. DRDO’s technology-transfer documentation describes an omnidirectional multi-EFP penetration-cum-blast warhead designed to penetrate the target by kinetic energy before detonating milliseconds later to generate fragments and blast effects.

This warhead design complements the missile’s sea-skimming terminal profile. Against smaller combatants or auxiliary vessels, the aim is not necessarily to break the ship apart, but to render it unable to fight, maneuver or remain in formation. Against larger warships, paired waterline hits can impose damage-control burdens, reduce speed and create openings for follow-on attacks by aircraft, ships or shore-based missiles.

The project has followed an incremental test path. The missile’s first flight was carried out from a Sea King Mk.42B helicopter in 2022, followed by guided trials in November 2023 and the February 2025 demonstration of maximum-range sea-skimming engagement, seeker-aided target selection and in-flight retargeting. The 2026 salvo firing, therefore, closes an important operational gap by showing that NASM-SR can be employed as a paired attack rather than only as a single round.

The development chain also shows how India is moving critical naval strike technologies into domestic control. Research Centre Imarat in Hyderabad leads the programme with DRDL, HEMRL, TBRL and ITR Chandipur, while Development-cum-Production Partners, MSMEs, start-ups and other Indian companies are involved in production. NASM-SR is a case study in taking seeker, avionics, propulsion, warhead and control technologies toward serial manufacturing.

Operationally, NASM-SR is intended to replace older foreign-origin air-launched anti-ship weapons used by Sea King helicopters and is expected to support future integration with the MH-60R Seahawk and HAL Dhruv Advanced Light Helicopter. That matters because India’s naval helicopters are central to over-the-horizon surveillance, convoy protection, choke-point patrols and coastal strike missions, especially in an Indian Ocean environment where small combatants and dispersed surface groups can appear with little warning.

Strategically, the test strengthens India’s maritime denial posture without relying on a large missile or a ship-launched battery. A helicopter carrying NASM-SR can extend a warship’s offensive reach, strike from unexpected bearings and threaten hostile vessels before they close with Indian task groups, island outposts or coastal infrastructure. The capability also gives commanders a proportional response option below the level of heavyweight anti-ship missiles, useful for escalation control in gray-zone confrontations.

The maiden salvo launch, therefore, marks more than a successful firing event. It confirms that India’s short-range air-launched anti-ship missile has moved from basic flight validation toward operationally credible employment, with indigenous guidance, data-link, propulsion and warhead technologies converging into a deployable naval weapon. If integration proceeds across current and future naval helicopters, NASM-SR could become a key tactical layer in India’s distributed sea-control architecture.