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Liftoff of the mercury atlas 6 mission on feb 20 1962 on this mission john glenn became the first american to orbit earth as part of the preflight checklist glenn asked engineers to get nasa research mathematician katherine johnson to check the orbital equations by hand on her desktop mechanical calculating machine. Friendship 7 the nasa mission reports takes a look at the first flight of john glenn through the eyes of the people who made his trip possible it also includes glenns own first hand recollections of his journey as he reported them in his return. Get this from a library friendship 7 the first flight of john glenn the nasa mission reports robert godwin a collection of the nasa mission reports from john glenns first flight covering subjects such as the flight plan physiological responses of the astronaut the pilots flight report and several