backupCrewAssignment
P50499
predicate
Indicates that one entity is designated to serve as a backup crew for another entity, ready to assume its duties if needed.
Sample triples (3)
| Subject | Object |
|---|---|
| Fred Haise | Apollo 11 ⓘ |
| Fred Haise | Apollo 16 ⓘ |
| Fred Haise | Apollo 8 ⓘ |