| gptkbp:instanceOf | gptkb:satellite 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:Boeing_X-37 gptkb:Orbital_Test_Vehicle
 
 | 
                        
                            
                                | gptkbp:application | runway landing 
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                                | gptkbp:category | gptkb:satellite gptkb:experimental_spacecraft
 uncrewed spacecraft
 military spacecraft
 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:crew | uncrewed 
 | 
                        
                            
                                | gptkbp:designedBy | gptkb:Boeing_Phantom_Works 
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                                | gptkbp:developedBy | gptkb:NASA 
 | 
                        
                            
                                | gptkbp:firstFlight | 2010-04-22 
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                                | gptkbp:firstLanding | 2010-12-03 
 | 
                        
                            
                                | gptkbp:firstOperator | gptkb:United_States_Air_Force 
 | 
                        
                            
                                | gptkbp:flightNumber | 6 
 | 
                        
                            
                                | gptkbp:height | 2.9 m 
 | 
                        
                            
                                | gptkbp:launchSite | gptkb:Kennedy_Space_Center gptkb:Cape_Canaveral
 
 | 
                        
                            
                                | gptkbp:launchVehicle | gptkb:Atlas_V gptkb:Falcon_9
 
 | 
                        
                            
                                | gptkbp:length | 8.9 m 
 | 
                        
                            
                                | gptkbp:longestMissionDuration | 908 days 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Boeing 
 | 
                        
                            
                                | gptkbp:mass | 4,990 kg 
 | 
                        
                            
                                | gptkbp:missionType | reusable spacecraft spaceplane demonstration
 
 | 
                        
                            
                                | gptkbp:notableMission | gptkb:OTV-1 gptkb:OTV-4
 gptkb:OTV-5
 gptkb:OTV-6
 gptkb:OTV-2
 gptkb:OTV-3
 
 | 
                        
                            
                                | gptkbp:operator | gptkb:United_States_Air_Force gptkb:United_States_Space_Force
 
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                                | gptkbp:orbitType | low Earth orbit 
 | 
                        
                            
                                | gptkbp:payloadBay | yes 
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                                | gptkbp:powerSource | solar panels 
 | 
                        
                            
                                | gptkbp:primaryMission | gptkb:technology reusable spacecraft testing
 
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                                | gptkbp:propulsion | hydrazine thrusters 
 | 
                        
                            
                                | gptkbp:reusable | yes 
 | 
                        
                            
                                | gptkbp:status | active 
 | 
                        
                            
                                | gptkbp:transferredTo | gptkb:US_Department_of_Defense 
 | 
                        
                            
                                | gptkbp:wingspan | 4.6 m 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:NASA_Armstrong_Flight_Research_Center 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | X-37 
 |