"I called Gene Cernan (Apollo 17 Astronaut) on 8 Aug. 1991. After confirming what Mr. Kirchgessner had said was correct, Cernan added that the 'Cosmic Journey' project never went any further than the drawing board"

http://www.virtuallystrange.net/ufo/mufonontario/archive/carp.html

This led to meetings at the Pentagon and NASA.
http://indianamufon.homestead.com/ufobooks2.html