The cost of the Apollo program was pretty cheap considering it also, in remarkably short order, delivered integrated circuits, fly-by-wire aircraft control, and

The cost of the Apollo program was pretty cheap considering it also, in remarkably short order, delivered integrated circuits, fly-by-wire aircraft control, and GPS navigation. Claims on other advances might be taken with somewhat more skepticism, particularly as regards the ISS, STS, and wholly too numerous Mars landers, but it would be hard to justify complaints about the cost of Galileo or Cassini/Huygens.