Operation: Shatterstone!

From publisher blurb: The fate of the world hangs in the balance! Astronomers have discovered a massive asteroid on a collison course with the Earth, and only an experimental space ship can carry a band of brave heroes on a desperate mission to save the world – but there is more to this threat than there appears. Can the heroes deal with the dangers behind it? Operation: Shatterstone is an adventure for ICONS Super-Powered Roleplaying, featuring a race into space, the experimental space ship Icarus, and an extraterrestrial threat to Earth. Do the heroes have "the right stuff" to save the world?