1976

1. 1976-06-19 orbital insertion

   Viking 1 enters Mars orbit

   Category: Mission Operations and Milestones › Type: Orbit insertion

   Mission: Viking 1

   Viking 1 entered orbit to prepare for its landing and study Mars.

2. 1976-07-20 planetary landing

   Viking 1 lands on Mars

   Category: Mission Operations and Milestones › Type: Landing

   Mission: Viking 1

   Viking 1 began surface operations in Chryse Planitia.

3. 1976-08-07 orbital insertion

   Viking 2 enters Mars orbit

   Category: Mission Operations and Milestones › Type: Orbit insertion

   Mission: Viking 2

   Viking 2 reached Mars orbit before its lander descended the following month.

4. 1976-09-03 planetary landing

   Viking 2 lands on Mars

   Category: Mission Operations and Milestones › Type: Landing

   Mission: Viking 2

   Viking 2 touched down in Utopia Planitia.