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Robert's Most Popular Answers (>1000 upvotes)
Robert's Most Popular Answers (>1000 upvotes)
Robert Frost
Robert Frost
Robert Frost, Trained ISS astronauts to operate the motion control system.
83.2k Views · Most Viewed Writer in NASA with 1020+ answers
Robert Frost
Robert Frost, Engineer with specialization in spacecraft operations, orbital mechanics, and...
141.2k Views · Most Viewed Writer in NASA with 1020+ answers