Not long after that, hospice cars and family cars lined the street outside the doctor's home. I heard from a neighbor that the doctor died in his sleep. The news that he died peacefully didn't surprise me. With his ability to be kind and joyful despite pain, I figured he had already arrived wherever it was he was wanting to go.
If we want to send humans to Mars by the early 2030s, we can't do it with the model that we used for reaching the Moon. We will need more efficient ways of moving forward and to design architectures that can be accomplished with the assumption that NASA will receive flat funding for the foreseeable future.