Mars 4, 5 (Mars M73 Orbiter #1, #2)
Mars 4
| Nation: | USSR |
|---|---|
| Type / Application: | Mars orbiter |
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| Orbit: |
| Satellite | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|
| Mars 4 (Mars-73 Orbiter #1) | 21.07.1973 | TB LC-81/23 | Proton-K Blok-D | ||
| Mars 5 (Mars-73 Orbiter #2) | 25.07.1973 | TB LC-81/24 | Proton-K Blok-D |
