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| Протозона или околоземное пространство (Lack of definitions as to where near-space (Protozone) and outer space begins and ends, and who has responsibility for traffic control and management AllaR) | |||
| Protozone: 1 phrase in 1 subject |
| Astronautics | 1 |
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| Протозона или околоземное пространство (Lack of definitions as to where near-space (Protozone) and outer space begins and ends, and who has responsibility for traffic control and management AllaR) | |||
| Protozone: 1 phrase in 1 subject |
| Astronautics | 1 |