Each was sensitive to the critical nature of his own piece of the puzzle (for example, it could be disastrous if the A.S.A. failed to detect a malfunction in the DPS during the next burn). The temptation to insist that his piece of equipment be operated within the tolerances for which it had been designed was powerful. And yet each also understood that somehow the voltages and the heat sources in the lunar module had to be cut drastically. Small dramas were played out all over the country as designers passed on the word, usually with too little data to be sure they were right, that their
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