Mars 6, 7 (Mars M73 Lander #1, #2)
 Mars 6 |
 Mars 3 Lander |
| Nation: | USSR |
|---|---|
| Type / Application: | Mars fly-by, landers |
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| Orbit: |
| Satellite | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|
| Mars 6 (Mars-73 Lander #1) | 05.08.1973 | TB LC-81/23 | Proton-K Blok-D | ||
| Mars 7 (Mars-73 Lander #2) | 09.08.1973 | TB LC-81/24 | Proton-K Blok-D |
