Anyone have a problem with the nuclear engines? You should be able to change the fuel type they use but I can't seem to do it. When i click next propellant it doesn't do anything. They only seem to work on hydrogen and it's annoying the .... out of me. Anyone knows how to fix this? http://puu.sh/kQzY7/83fab0705b.jpg [1] I'm just not understanding how or what you use this nuke for. It also has a million other stats that i'm not clear on. I can't find any information on this particular part in the wiki.