EntityQ371388· pop 5· linked from 3 articlesAD-150Sign in to saveunmanned aerial vehicleConnectionsunmanned aerial vehicleEntityUnited States Marine CorpsEntityUniversity of MarylandEntityvertical and/or short take-off and landingEntityaerospace manufacturerEntitylist of unmanned aerial vehiclesEntityPratt & Whitney Canada PW200Entityducted fanEntityDoak VZ-4EntityCategoriesAbandoned civil aircraft projects of the United StatesAmerican Dynamics aircraftMid-wing aircraftSingle-engined twin-prop tractor aircraftTilting ducted fan aircraftUnmanned military aircraft of the United States