Power used to be a lot harder to come by, so there was a lot of experimentation with nuclear tech. Some of it more sensible than others. The US only experimente

Power used to be a lot harder to come by, so there was a lot of experimentation with nuclear tech. Some of it more sensible than others. The US only experimented with one reactor before deciding it mostly wasn't worth it. The Soviets launched over thirty reactors, to power the orbital naval radar satellites they had (which effectively monitored every surface naval vessel in the world).