Word: engineeer
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Dates: during 1960-1969
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A main mission for both ELINT fleets is the systematic collection and classification of submarine "signatures"-the distinctive electronic blend of propeller and engine noises, wake turbulence and magnetic fields generated by each individual sub. Thanks to Pueblo & Co., the Navy has nearly completed a computer-taped "library" classifying Russia...
Cautious Computer. Nearly five hours later, when the cold of space had stabilized the craft's temperature to the point it would be in the vicinity of the moon, LM began a scheduled twelve-minute burn of its 10,000-lb.-thrust descent engine, which was to begin at...
Undismayed, ground controllers under the direction of Flight Director Eugene Kranz, 34, quickly determined that nothing was basically wrong with the descent engine. Bypassing LM's computer, they ordered the descent engine to fire again. This time, and on a subsequent test, it performed perfectly, burning for the entire...
Three Proofs. To simulate an emergency "fire-in-the-hole" situation in which astronauts descending toward the moon in the LM are suddenly forced to return to the orbiting mother ship, controllers again fired the descent engine. While it was burning, they also fired the 3,500-lb.-thrust ascent...
Thus, in a single test, NASA was able to prove that both LM engines work well, that the descent engine can be throttled in space-the first big operational engine to do so-and that the Apollo mission could be safely aborted, if necessary, during the final descent to the...