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  1. doug1956

    Apollo 15 DOI, RTCC MFD question

    I am 81 hours into the Apollo 15 mission, and have a question about getting a good DOI from the RTCC MFD, but first some quick kudos and thanks. I've learned a lot about space flight, the Apollo program, NASSP, and especially about the value of browsing this forum for answers. Many have had...