In February 2026, which advanced propulsion technology for long-range missiles did DRDO successfully demonstrate?
Solid Fuel Ducted Ramjet technology
In February 2026, DRDO successfully demonstrated Solid Fuel Ducted Ramjet (SFDR) technology.
An SFDR motor burns a solid fuel-rich propellant with oxygen taken from the atmosphere through air intakes, instead of carrying an oxidiser. This lets a missile sustain supersonic speed over a much longer range, which is why it is developed for long-range air-to-air missiles.
Cryogenic propulsion is used in upper stages of space launch vehicles, while electric and nuclear thermal propulsion are space-propulsion concepts, not missile technologies demonstrated here.
Hence, the answer is Solid Fuel Ducted Ramjet technology.
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