M.A.R.S.base Lavapolis is the Initial Human Habitat on the Red Planet, located with in the Lava tubes about Rahe Crater, Mars.
Lavatube entrance inside crater
Other NASA 3d-Printed Designs
NASA Selects Contest Winners of 3D-Printed Habitat Designs for Mars
Psalm 139:8 If I ascend to heaven, You are there; If I make my bed in Sheol, behold, You are there.
Testing Galileo's hypothesis on Falling Bodies like never before – dropping spheres from the Edge of Space (EOS) – To Learn How a Gravity Field is Produced !!!!!!