1. NERVA NRX ( Nuclear Rocket Experimental ), started testing in September 1964. 2. The laboratory demonstrated the feasibility and value of nuclear rocket propulsion. 3. In 1955, Schreiber became the leader of the laboratory's nuclear rocket development division. 4. Sergeyev, a veteran of Russia's nuclear rocket forces, called Kvashnin's idea " insane ." 5. The nuclear rocket typically operates by passing hydrogen gas through a superheated nuclear core. 6. Despite many successful firings, American nuclear rockets did not fly before the space race ended. 7. The Condor Committee was formed at Los Alamos to consider possibilities for nuclear rocket propulsion. 8. That year, he became Technical Associate Director, with responsibility for the entire nuclear rocket propulsion program. 9. The United States scrapped work on nuclear rockets in the early 1970s because of safety concerns. 10. There's even talk of sending nuclear rockets to Mars, an idea that chills coalition coordinator Bruce Gagnon.
