The title of your thread is amusing.  Those poor astronauts! :p

I an not finding the Destination Moon rocket in these, but I only know of it from the movie poster, so you might recognize it from another angle. Though still listed, these are Unavailable:

  http://www.renderosity.com/mod/bcs/50s-fleet/77436/

  http://www.renderosity.com/mod/bcs/avalon3d-sf-starcraft-bundle/38930/

Clicking on the vendor's name (rj001) will link to his store - some other ship collections and some land vehicles.