1971

1. 1971-05-30 launch

   Mariner 9 — launch

   Category: Launches and Flight Tests › Type: Orbital launch

   Mission: Mariner 9

   • Space transportation

   Mariner 9 (Mariner Mars '71 / Mariner-I) was a robotic spacecraft that contributed greatly to the exploration of Mars and was part of the NASA Mariner program.

2. 1971-11-13 orbital insertion

   Mariner 9 enters Mars orbit

   Category: Mission Operations and Milestones › Type: Orbit insertion

   Mission: Mariner 9

   Mariner 9 became the first spacecraft to orbit another planet.