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In case anyone is confused by this response, Mockingbird was a concept and was never built. The SS-520-5 was built and reached orbit once.
by greglindahl 8y ago
In case anyone is confused by this response, Mockingbird was a concept and was never built. The SS-520-5 was built and reached orbit once.
- sbierwagen 8y agoEdited.
- greglindahl 8y agoThanks :-)