Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
aerospace program
|
gptkbp:developedBy |
NASA
|
https://www.w3.org/2000/01/rdf-schema#label |
NASA's X-15 program
|
gptkbp:maximumDepth |
354,200 feet
|
gptkbp:maxSpeed |
4,520 miles per hour
|
gptkbp:notableFeature |
gptkb:Neil_Armstrong
gptkb:Chuck_Yeager gptkb:Joe_Engle William_J._ |
gptkbp:numberOfFigures |
199
|
gptkbp:operates |
1959
1968 |
gptkbp:primaryMission |
research on hypersonic flight
|