
The solar electric propulsion upper stage opens a path to cis-lunar space, GEO, and beyond for Virgin Orbit’s small satellite customers
LITTLETON, Colo., June 1, 2021 (ExoTerra Resource PR) — NASA has awarded Littleton, CO-based ExoTerra Resource a Phase II Small Business Innovation Research (SBIR) award for the firm’s solar electric propulsion upper stage, currently under development in partnership with California-based launch services provider Virgin Orbit.
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