Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:experimental_aircraft_program
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:designation |
X-series
|
| gptkbp:firstFlight |
1946
|
| gptkbp:notableAchievement |
first supersonic flight
first hypersonic flight |
| gptkbp:notableAircraft |
gptkb:North_American_X-15
gptkb:Bell_X-1 gptkb:Douglas_X-3_Stiletto gptkb:Lockheed_Martin_X-59_QueSST gptkb:Lockheed_Martin_X-35 gptkb:Boeing_X-37 gptkb:Boeing_X-45 gptkb:Boeing_X-51_Waverider gptkb:Grumman_X-29 |
| gptkbp:operatedBy |
gptkb:NASA
gptkb:US_Air_Force gptkb:US_Navy |
| gptkbp:purpose |
gptkb:technology
aeronautical research |
| gptkbp:relatedTo |
gptkb:aircraft
aerospace engineering US military aviation |
| gptkbp:status |
ongoing
|
| gptkbp:bfsParent |
gptkb:Douglas_X-21
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
X-planes (United States)
|