ALS signed “Alan L. Bean,” one page, 8 x 10.5, NASA letterhead, February 13, 1964. Letter to J. Duane Upton, in full: "Thank you very much for your letter. It is gratifying to feel that men such as yourself are sincerely interested in our space program. It is the greatest adventure and challenge that man has ever known." In fine condition. In October 1963, Bean was one of fourteen selected as part of the third group of NASA astronauts. After serving on the backup crews for Gemini 10 and Apollo 9, Bean became the fourth man to walk on the moon when he served as the Apollo 12 lunar module pilot. From The Bill Lende Collection.
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