2021 Collier Finalists Announced
The National Aeronautic Association (NAA) has unveiled the four aviation and space achievements that will be competing for the 2021 Robert J. Collier Trophy. Trophy finalists are the DARPA, U.S. Air Force, Raytheon Missiles & Defense, and Northrop Grumman Hypersonic Air Breathing Weapon Concept (HAWC) Program; the Dynetics and DARPA X-61A Gremlins Air Vehicle (GAV) […]