EntityQ890224· pop 18· linked from 177 articlesX-50 DragonflySign in to saveexperimental drone by BoeingConnectionsunmanned aerial vehicleEntitylist of X-planesEntityBoeingPublic companyLockheed Martin F-22 RaptorEntitytorqueEntityjet engineEntityBoeing B-52 StratofortressConceptBoeing 727EntityBoeing B-17 Flying FortressEntityBoeing B-29 SuperfortressEntityRockwell B-1 LancerConceptBoeing F/A-18 Super HornetEntityDefense Advanced Research Projects AgencyEntityBoeing C-17 Globemaster IIIEntityMcDonnell Douglas F-15E Strike EagleConceptBell/Boeing V-22 OspreyEntityX-15EntityBoeing E-3 SentryEntityX-1EntityturbofanEntityCategories2000s United States experimental aircraft2000s United States helicoptersAircraft first flown in 2003Aircraft with fixed tricycle landing gearBoeing aircraftCanard aircraftCancelled aircraft projectsDARPASingle-rotor helicoptersSingle-turbine helicoptersStoppable rotor helicoptersUnmanned aerial vehicles of the United States