SMRTR Science & EngineeringJul 7, 2025Interesting Engineering

US firm deploys ‘most powerful’ 60 kW roll-out solar arrays for NASA’s lunar Gateway

SMRTR summary

Redwire Corporation has tested its roll-out solar arrays (ROSA) for NASA's lunar Gateway station. The 60 kW arrays, designed for solar electric propulsion, are the most powerful yet. Redwire will deliver two ROSA wings to Maxar, Gateway's power element contractor, in late 2025. Despite potential budget cuts, work on Gateway continues, with supporters highlighting its role in Mars missions and cost-effective international partnerships.

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