Episode Links:
Charles Precourt Oral History Interview (https://www.jsc.nasa.gov/history/oral_histories/Shuttle-Mir/PrecourtCJ/precourtcj.htm)
Charles Precourt Biography (https://www.jsc.nasa.gov/Bios/htmlbios/precourt.html)
STS-71 (https://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-71.html)
Angelo Secchi Biography (https://en.wikipedia.org/wiki/Angelo_Secchi)
