There's no need of a solar panel for big spacecraft, US and USSR have designed compact enough nuclear reactor that can generate Mw of power for various submarin

There's no need of a solar panel for big spacecraft, US and USSR have designed compact enough nuclear reactor that can generate Mw of power for various submarines,like here http://en.wikipedia.org/wiki/Alfa_class_submarine http://en.wikipedia.org/wiki/Alfa_class_submarine. There has been time that a single US submarine was able to power the entire Hawai island after a natural disater http://news.google.com/newspapers?nid=1755&dat=19821128&id=EZ4cAAAAIBAJ&sjid=SGgEAAAAIBAJ&pg=6758,7135178 http://news.google.com/newspapers?nid=1755&dat=19821128&id=E...