Space: Acrobats in Orbit

As Apollo 7 whirled through orbit after orbit around the earth last week, the growing monotony of the mission was a major measure of its success. Presented with little challenge from the well-functioning spacecraft, Astronauts Wally Schirra, Walter Cunningham and Donn Eisele fought off ennui as they plodded through the humdrum housekeeping and engineering duties necessary to prove their craft moonworthy. They fired and refired the ship's big rocket engine and practiced sighting stars through a sextant; they tested their computers and cooling system, and transmitted to a ground station the same sort of signals a lunar module would...

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