Word: callous
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Dates: during 1960-1969
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...Brigadier General Don Flickinger, Air Force chief of bioastronautics. Flickinger taught that the 10,000-lb. spaceship might be capable of carrying a two-man crew, but he did not believe it was actually carrying a living man. The Russians, he said, have become quite sensitive about being called callous and they would not send a man into space without a good chance of getting him back...