The Defence Research and Development Organisation (DRDO) on Friday successfully conducted a flight test of solid fuel ducted ramjet(SFDR) technology from a test range in Odisha. The successful demonstration of SFDR technology has provided DRDO the technological advantage which will enable it to develop long range air-to-air missiles. Defence Minister Rajnath Singh and DRDO chairman G Satheesh Reddy congratulated the scientists, Indian Air Force and the industry on the successful flight test of SFDR