Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:piston_engine
gptkb:satellite |
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:developedBy |
gptkb:United_States_Air_Force
gptkb:Boeing |
| gptkbp:intendedUse |
military space missions
|
| gptkbp:purpose |
upper stage for space launch vehicles
|
| gptkbp:relatedTo |
gptkb:Evolved_Expendable_Launch_Vehicle_(EELV)
space launch technology |
| gptkbp:startYear |
1990s
|
| gptkbp:status |
cancelled
|
| gptkbp:bfsParent |
gptkb:X-planes
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
X-42 Pop-Up Upper Stage
|