EntityQ4698345· pop 8· linked from 322 articlesair observerSign in to saveflight crew responsible for ground reconnaissance and spotting other aircraftConnectionsVietnam WarConceptartificial satelliteEntityunmanned aerial vehicleEntityaircraftEntityWayback MachineEntityUnited States ArmyEntityRoyal Air ForceEntityRoyal NavyEntitySergeantEntityreconnaissanceEntitymilitary aviationEntityMinistry of DefenceEntityFairey BattleEntityBell OH-58 KiowaEntityHughes OH-6 CayuseEntityFleet Air ArmEntityRockwell OV-10 BroncoEntityRoyal Flying CorpsEntityCessna O-1 Bird DogEntity1½ StrutterEntityCategoriesMilitary aviation occupationsUnited Kingdom-centric