Lunar Gateway’s Power & Propulsion Element Faces Cost Increases

The power and propulsion element of NASA’s Gateway is a high-power, 50-kilowatt solar electric propulsion spacecraft – three times more powerful than current capabilities. (Credits: NASA)

by Douglas Messier
Managing Editor

The first element of NASA’s lunar Gateway station will cost more than the original $375 million firm-fixed contract due to the way the space agency awarded the project to Maxar Technologies, according to a new assessment by the Government Accountability Office (GAO).

The Gateway’s Power and Propulsion Element (PPE) also might not be able to achieve its goal of demonstrating an advanced Solar Electric Propulsion (SEP) system in lunar orbit due to delays in the development of that technology, GAO found.

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