History Tech News Convair Nexus Reusable SSTO Rocket 5 years ago Early 1960's recoverable launch vehicle concept proposed by Krafft Ehricke at General Dynamics.At the time the largest conventionally-powered launch vehicle ever conceived, it was designed to deliver 900 metric tons to low earth orbit. Early 1960’s recoverable launch vehicle concept proposed by Krafft Ehricke at General Dynamics.At the time the largest conventionally-powered launch vehicle ever conceived, it was designed to deliver 900 metric tons to low earth orbit. Facebook Twitter LinkedInMore Share via: 0 1 0 More Continue Reading Previous UFO Sighting of the Day – May 21, 2020Next Interview of Gerald Anderson, 07/24/1991 More Stories History UFO News UFO News Comparative Analysis of UFO Sightings 1 year ago History UFO News UFO Sightings Ufology Unraveling the Rendlesham Forest UFO Incident 2 years ago History UFO News UFO Sightings Open C3 Subcommittee Hearing on UAP Phenomena 3 years ago History Why the Soviets Never Put a Man on the Moon 4 years ago History The Biggest Explosions on Earth 4 years ago History The Sodium Reactor Experiment 4 years ago