21.   Another bonus is that nobody has used a nuclear bomb in anger since Nagasaki.

22.   Armed with a nuclear bomb and cigarettes, he nonchalantly spreads bad habits across the universe.

23.   As it turns out, our hero is a robot, genetically engineered as a cross between a man and a nuclear bomb.

24.   At best it will offer some protection against only one way of delivering a nuclear bomb.

25.   At first we thought it was a nuclear bomb.

26.   Because tritium gas, a key component of nuclear bombs, decays at a rapid rate, the arsenal could begin deteriorating in only a decade.

27.   Beryllium, a naturally occurring metal, is used to make components and alloys for car ignition systems, computers, spacecraft and nuclear bombs.

28.   Both India and Pakistan successfully tested nuclear bombs last year.

29.   A crash with a fully armed nuclear bomb would have blown Tinian off the map.

30.   A crew of roughnecks is quickly recruited to take specially equipped shuttles to the asteroid, drill holes in it and plant nuclear bombs to blow it off course.