Um... I've only seen the movie, I haven't read Countdown... But I thought his motivation was explained just fine in the movie alone... lol... I mean, he had to watch his wife, family, friends, everyone he knew, the place he grew up, his whole life outside of mining, completely destroyed. That's gotta be pretty traumatic. I could see it being enough to push the wrong guy off his rocker and into some nasty decisions. I thought that came across pretty clear in the movie.
), and of course it must have a warp drive, likely one much faster than anything fielded even on top-of-the-line military vessels, much as my crappy Dodge Neon can outrun any car made in the 19th century. The weapons could have been fabricated and probably were (they don't really look like classical photon torpedoes, but some kind of missile with chemical or fusion propulsion).

