Reprinted with permission of St. Martin's Press, LLC, New York, NY Gemini 9 blasts ... The sides of the rocket were washed by a glistening sun as the Titan pushed off, gaining altitude and speed ...

Because of the way things played out in recent years, there is once again talk of nations using powerful, space-going intercontinental ballistic missiles (ICBMs) against each other. It is, if you ...