Viper darts

Viper Dart was an American sounding rocket built in two versions . 187 copies of the Viper Dart were built. The Viper IIIA has a summit height of 120 km, a diameter of 0.11 m and a length of 3.40 m. The Viper V has a peak height of 150 km, a diameter of 0.18 m and a length of 3.40 m.