Mariner Program

Exploring the Inner Planets

Program Overview

The Mariner program was a 10-mission robotic planetary exploration program conducted by NASA. The Mariner spacecraft were designed to visit Venus, Mars, and Mercury, achieving the first planetary flybys, the first planetary orbiter, and proving the viability of gravitational assists.

Archival Image

Mariner Program representative photography

Missions & Launches

Crewed Flight Log

No crewed flights in this program.

Uncrewed / Robotic Log

Mariner 1

1962-02-02
Failure Details

Mariner 2

1963-03-03
Success Details

Mariner 3

1963-04-04
Failure Details

Mariner 4

1964-05-05
Success Details

Mariner 5

1964-06-06
Success Details

Mariner 6

1965-07-07
Success Details

Mariner 7

1965-08-08
Success Details

Mariner 8

1966-09-09
Failure Details

Mariner 9

1967-10-10
Success Details

Mariner 10

1967-11-11
Success Details