Mushure mokunge Armstrong ashumira semutungamiri wekuchengetedza weApollo 8, Slayton akamupa nzvimbo yemutungamiri weApollo 11 musi waDecember 23, 1968, apo Apollo 8 yakatenderera Mwedzi. Mumusangano uyo usina kuitwa pachena kusvikira kubudiswa kwehupenyu hwaArmstrong muna 2005, Slayton akamuudza kuti kunyange zvazvo vashandi vakarongwa vaiva Commander Armstrong, Lunar Module Pilot Buzz Aldrin, uye Command Module Pilot Michael Collins, akanga achipa Armstrong mukana wekutsiva Aldrin naJim Lovell. Mushure mekufunga pamusoro pezuva, Armstrong akaudza Slayton kuti aizonamatira naAldrin, sezvo akanga asina kuoma kushanda naye uye akafunga kuti Lovell akakodzera kutungamira kwake.
April 14, 1969