Embodiments of the present invention pertain to a power system utilizing a uranium-based reactor for space missions. For example, the power system may include a reactor configured to generate thermal energy using a uranium core. A plurality of heat pipes may be configured to transfer thermal energy from the reactor core to a plurality of Stirling engines to generate electricity for a spacecraft.
STATEMENT OF FEDERAL RIGHTS
 The United States government has rights in this invention pursuant to Contract No. DE-AC52-06NA25396 between the United States Department of Energy and Los Alamos National Security, LLC for the operation of Los Alamos National Laboratory.