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...supports the hypothesis that it was a genuine crash of an extraterrestrial spacecraft.<ref name = "Crash">Berliner, D. & Friedman, S.T. (2004). ''Crash at Corona ...ligently controlled extraterrestrial spacecraft; i.e. ''some'' UFOs are ET spacecraft, though most are not.

...o the new Exploration focus of the Agency as a participant in the [[Orion (spacecraft)|Orion]] crew exploration vehicle, and the [[Ares I]] crew launch vehicle.{ ...n that scientists can quickly design and launch a new class of inexpensive spacecraft—and conduct significant science.<ref>[http://genesat.arc.nasa.gov GeneSat