Reentry Flight Demonstrator (RFD)Two spacecraft, launched on suborbital flights in 1963–64 to test reentry effects on nuclear reactor mockups supplied by the United States Atomic Energy Commission (AEC). The tests were carried out at a time when NASA and AEC were engaged in the NERVA (Nuclear Engine for Rocket Vehicle Applications) program. Related categories SATELLITES AND SPACE PROBES REENTRY PHYSICS AND TERMINOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |