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| NASA's Constellation Program (MichaelBurov); NASA Constellation Program (MichaelBurov); Constellation Program (MichaelBurov) | |||
| программа НАСА: 14 phrases in 6 subjects |
| Astronautics | 5 |
| Aviation medicine | 1 |
| Energy industry | 1 |
| General | 1 |
| Military | 5 |
| Nanotechnology | 1 |