Space access can be much cheaper, even without nuclear launch.
They talked of building the Orion the same way as submarines, iirc. I've read Henry Spencer argue that modern rockets and payloads are so expensive to make because they have to save on every gram.
They talked of building the Orion the same way as submarines, iirc. I've read Henry Spencer argue that modern rockets and payloads are so expensive to make because they have to save on every gram.