Hopi-Dart was an American sounding rocket used by the NASA Marshall Space Flight Center for aeronomy studies in the early 1960s. == Design == Hopi-Dart was a two-stage vehicle, combining a solid-fuelled Hopi III first stage with an unpowered Dart second stage.
Hopi-Dart was an American sounding rocket used by the NASA Marshall Space Flight Center for aeronomy studies in the early 1960s. == Design == Hopi-Dart was a two-stage vehicle, combining a solid-fuelled Hopi III first stage with an unpowered Dart second stage.
Source: Wikipedia "Hopi-Dart" · CC BY-SA 4.0
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