HOUSTON—The Ad Astra Rocket Co. has completed a 30-month NASA contract to continue advancing its Variable Specific Impulse Magnetoplasma Rocket (VASIMR) concept with the potential to reach Mars within ...
Houston-based Ad Astra Rocket Company, which grew out of in-house research into Variable Specific Impulse Magnetoplasma Rocket (VASIMR) technology conducted at Johnson Space Center by seven-time ...
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