numberOfUncrewedMissions
P16902
predicate
Indicates the total count of missions carried out without any crew on board.
Observed surface forms (1)
- numberOfUncrewedFlights ×1
Sample triples (2)
| Subject | Object |
|---|---|
| Gemini program | 2 → |
| Mercury program | 20 via predicate surface "numberOfUncrewedFlights" → |