| cargo spacecraft | 0.53 | The Europeans and Japanese intend to develop a Progress-style cargo spacecraft of their own. | ||
| robot spacecraft | 0.33 | Indirect evidence comes in the form of spectacular close-up photos of Mars, snapped by a robot spacecraft. |
| cargo spacecraft | 0.53 | The Europeans and Japanese intend to develop a Progress-style cargo spacecraft of their own. | ||
| robot spacecraft | 0.33 | Indirect evidence comes in the form of spectacular close-up photos of Mars, snapped by a robot spacecraft. |