Question by EgoEggMan: On what STS mission is NASA planning to send VASIMR to the ISS?
Best answer:
Answer by Edward Sharp
It was announced that the Ad Astra Rocket Company had entered into an agreement to test the engine on the International Space Station, in or before 2013.
No STS mission has been assigned, but STS 135 looks like a good bet if ground testing stays on schedule.
What do you think? Answer below!