Space Systems/loral, LLC

Michelle Karen Rahn

Ronald W King

Jeff Aaron Baldwin

Jorge Delgado

Bryan Bowdle

A spacecraft propulsion system includes at least one chemical thruster operable with a liquid propellant, at least one electric thruster operable with an inert gas, and a first quantity 'n' of pressurant tanks, each of the 'n' pressurant tanks having a substantially identical volume. The propulsion system results from assembling a plurality of subassemblies, such that a first selectable number &#x2018;e&#x2019; of the first quantity of pressurant tanks are manifolded together with the at least one electric thruster, and a second selectable number &#x2018;c&#x2019; of the first quantity of pressurant tanks are manifolded together with the at least one chemical thruster. The first selectable number &#x2018;e&#x2019; is an integer in the inclusive range of 1 to &#x2018;n&#x2019;, and c=n&#x2212;e.

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Mountain View, CA, United States of America

Michelle Karen Rahn