Prototype solid rocket motors, less than three-inches in diameter, for man-portable weapons applications. Ursa Major's proprietary technology allows for monolithic case manufacturing including incorporation of aero surfaces and internal motor features. Photo: Ursa Major
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Rocket engine developer Ursa Major on Thursday said it has raised $138 million in two funding rounds this year to further development of its new process for manufacturing solid rocket motors (SRMs) and to scale production capacity and advance its liquid propulsion…