India Tests Solid Fuel Ducted Ramjet for Future AAM/SAM Propulsion

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The Indian Defense Research & Development Organization (DRDO) completed a first test flight of an advanced propulsion system that promises to enhance the range and agility of air-to-air (AAM) and surface-to-air missiles (SAM). The Solid Fuel Ducted Ramjet (SFDR) developed under a joint Indo-Russian R&D project achieved a speed of Mach 3 on its first flight.

from Defense Update:

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https://ift.tt/2Jqs6TH India Tests Solid Fuel Ducted Ramjet for Future AAM/SAM Propulsion - Wordpress