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The Defence Research and Development Organisation (DRDO) has marked a major milestone in India’s domestic defence initiatives by successfully conducting captive flight tests of the RudraM-III missile on the Indian Air Force’s Sukhoi Su-30MKI.
This critical air-to-surface weapon integration overcomes the complex aerodynamic and structural hurdles of outfitting a frontline fighter with an exceptionally heavy payload.
Consequently, this success firmly establishes a foundation for India to execute long-range precision strikes with far greater efficiency.
As the largest and most robust member of DRDO’s anti-radiation and ground-strike missile series, the RudraM-III weighs approximately 1.6 tonnes and measures over six metres in length.
Open-source data indicates the weapon operates at hypersonic speeds exceeding Mach 5 and carries a 200-kilogramme modular warhead.
During these specific tests, the Su-30MKI made history by flying with two of these massive weapons secured to its heavy-duty underwing hardpoints, known as stations 5 and 6.
The captive trials were designed to keep the missiles firmly attached to the aircraft during flight, allowing engineers to rigorously evaluate the system's structural limits, airflow dynamics, and electronic compatibility without executing an actual launch.
Data gathered from the airborne evaluations proved that the missile maintained complete structural soundness across a wide range of operational altitudes, velocities, and complex aerial manoeuvres.
The specially adapted launch pylons and suspension units functioned flawlessly under immense stress, with sensors confirming that the physical strain on crucial mounting brackets never approached hazardous levels.
Furthermore, the heavily armed fighter jet demonstrated remarkable stability even while breaking the sound barrier, showing no signs of dangerous aerodynamic vibrations—often referred to as "flutter"—which can critically destabilise an aircraft carrying oversized external stores.
Ultimately, the Su-30MKI proved it could operate safely and effectively while carrying this new tier of heavy weaponry.
This achievement is a natural evolution of the earlier Rudram-I and Rudram-II programmes, which progressively introduced supersonic speeds and extended ranges to the Air Force's arsenal.
With the RudraM-III, the capability leaps forward; publicly available military specifications suggest an impressive operational reach of 550 to 600 kilometres.
Equipped with an advanced passive homing head, the missile is purpose-built for the Suppression of Enemy Air Defences (SEAD).
It is highly capable of neutralising hostile radar networks, fortified command centres, and airstrips from exceptionally safe standoff distances, ensuring that Indian pilots can cripple enemy infrastructure without ever crossing into highly defended airspace.
To make this integration possible, DRDO engineers, alongside institutions like the Research Centre Imarat (RCI), executed extensive upgrades to the aircraft's physical launchers and avionic interfaces.
While the formidable Su-30MKI will serve as the initial launch platform for the RudraM-III, defence planners are already looking ahead to arming the upcoming Tejas Mk-2 fighter jet with this hypersonic system.
This successful testing phase highlights India’s growing engineering prowess and significantly reinforces the nation's commitment to self-reliance in manufacturing cutting-edge military hardware, granting the armed forces unprecedented flexibility in future combat operations.
