
Water-Fueled Rockets Spark Mars Refueling Network Vision
A startup led by former SpaceX engineer Halen Mattison aims to turn water into rocket fuel via electrolysis to produce hydrogen and oxygen for chemical propulsion, and into plasma for electrical propulsion. The plan envisions a Mars-based refueling network and includes a 1,100-pound satellite test on a SpaceX Falcon 9 in October 2026, with the potential to dramatically reduce mission costs and enable longer, deeper-space journeys.
