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Re:NASA’s Plutonium Problem Could End Deep-Space Exploration by pintglass on Friday September 20, 2013 @07:47AM (#6417111)
I wouldn't rule that out. Why wouldn't it make a great undersea battery?

Also, if we found Apollo 13 we could recover some Pu238:

http://science.slashdot.org/story/11/11/28/1637231/will-nasa...

http://unexplainedthings.tumblr.com/post/13563685365/will-na...

Re:NASA’s Plutonium Problem Could End Deep-Space Exploration by masklinn on Friday September 20, 2013 @07:55AM (#6417134)
It would, but you don't need it because you don't need years or decades of power at high depths.