DRDO's Solid Fued Ducted Ramjet Missile: India’s apex defence research organization, the Defence Research and Development Organisation (DRDO) Thursday successfully flight tested Solid Fuel Ducted Ramjet (SFDR) booster technology at the Integrated Test Range (ITR), Chandipur off the coast of Odisha in eastern India. The test successfully demonstrated the reliable functioning of all critical components involved in the complex missile system and met all the mission objectives, said the ministry of defence.