Science: Conductor in a Command Post

One of the basic maxims of space travel, says Flight Director Chris Kraft, is: "If you don't know what to do, don't do anything." Then, if the problem does not correct itself, there is almost always time enough to take remedial action−as there was last week when the gremlins of Gemini 5 battled against the determined ingenuity, intelligence and hardheaded courage of crack U.S. spacemen.

Launch to Retrofire. Command post of the tense scientific conflict, where Chris Kraft and his crew matched wits with the unpredictable troubles plaguing a pair of orbiting astronauts, was...

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