The Defence Research and Development Organisation has successfully tested a flight demonstration based on Solid Fuel Ducted Ramjet technology (SFDR).
It is tested in the Integrated Test Range in Odisha's Chandipur.
The SFDR technology will help DRDO with the technological advantage to develop long-range air-to-air missiles.
Ramjet
A ramjet is a form of air-breathing jet engine that uses the vehicle’s forward motion to compress incoming air for combustion without a rotating compressor.
Ramjets work most efficiently at supersonic speeds but they are not efficient at hypersonic speeds.