A manned mission to Mars by 2100 seems a reasonable goal too me. We're expecting NASA's Project Artemis to send people back to the moon in another three years. We're going to be setting up camp in the south polar region to exploit its resources which will allow us to sustain long term lunar deployments, develop fuel sources to propel vehicles to Mars and to learn more on the effects of deep space on the human body. We may not be around when we get to Mars. But we get to be part of the beginning of some exciting times on the moon. Getting to see that again gets me all tingly like