 The order was cut to a little over 500, with final production being the "QH-50D" variant, with an uprated engine providing 274 kW (365 shp), fiberglass rotors, and increased fuel capacity.The Japanese Maritime Self-Defense Force also bought a small batch of 16 DASHes in 1968.The career of the DASH was undistinguished, but it was one of the first drones ever used in a strictly tactical environment, and pointed the way to the future.