Take a good look at Dr. Mazanek's CAPS NEO detection system
That is the reason for returning to the
Moon.
There are plenty of difficulties with Mars flight right now, and all the hand waving in the world is not gone to solve them.
Hard engineering, along with some good robots, may clear them, but it is not certain if they will.
Learn to take care of the planet you already have before you start on another one.
ep