Ray Bradbury's Mechanical Hound has grown wings? Although I don't think militaries would really rely on wheeled transportation much for drones, though perhaps

Ray Bradbury's Mechanical Hound has grown wings? Although I don't think militaries would really rely on wheeled transportation much for drones, though perhaps reduced battery drain in the wheeled on-ground mode is a selling point for longevity in the field. It certainly has many other uses though.