I believe that the NRL (which never sponsored the research, but rather one of the NRL researchers was advocating it) has completely given up on the soi disant cold-fusion research to which I suspect you are referring.
The only viable tabletop fusion is muon-catalyzed fusion which was known before pons-fleichman and it takes more energy to produce the muons that is obtained from the subsequent fusion.
Curiosity is powered by an RTG (Radio-isotope thermal generator) which generates electricity from the decay of Plutonium.
Plutonium RTG's also power the Voyager spacecraft and all outer-solar system craft.
This is neither fission nor fusion.
The soviets did place a fission reactor in orbit in the 60's.
scott
Apparently you confuse power with liberty ?
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