The U.S. Air Force Research Laboratory achieved a significant propulsion milestone when a Draper rocket engine reached supersonic flight conditions during a controlled test. The trial, conducted at ...
The Air Force Research Laboratory (AFRL) and Ursa Major have successfully completed the first ...
US AFRL and Ursa Major have conducted a flight test of the Affordable Rapid Missile Demonstrator (ARMD), powered by the Draper liquid rocket engine.