Word: gemini
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Dates: during 1960-1969
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...majestic Titan II rocket lifted off precisely on schedule, hurling Gemini 7 toward a new chapter in space exploration. Five minutes after Lieut. Colonel Frank Borman and Commander James Lovell Jr. took off, a ground controller exclaimed: "You're right down the slot!" Command Pilot Borman radioed back: "That's the best thing I've heard...
Titanium and stainless steel rank high among the glamour metals of modern technology. Because they retain their great strength even when heated to high temperatures, they have countless uses in such space-age products as Gemini capsules and jet engines. They would have countless other applications were it not for one exasperating characteristic: they cannot be used for moving parts that rub against other hunks of titanium or stainless steel. When they are, the pieces simply stick together...
Aware of the risks, NASA has insisted that Astronaut Bassett remain attached to Gemini 9 by a 200-ft. nylon tether. If both Bassett and AMU perform satisfactorily, however, the astronaut who leaves Gemini 12 in an AMU may well be allowed to sever his last connection with the mother ship and strike out into empty space...
...earphones if fuel or oxygen is running low. With its own hour-long oxygen supply, storage batteries and radio and telemetry systems, the AMU does not even need the "umbilical cord" that was used to supply oxygen and radio communication to Astronaut Ed White when he walked outside Gemini...
Tethered by Nylon. Mastering orbital mechanics, the physical laws that govern the motion of an orbiting satellite, will be even more difficult. When an astronaut is behind his Gemini capsule he cannot simply increase his speed to catch up with it. Increased speed will put him into a higher orbit, which will make him fall farther behind. To overtake his Gemini capsule, he will have to fire his downward and forward thrusters alternately until he edges close to his target...