>With enough ice sitting at the surface -- within the top few millimeters -- water would possibly be accessible as a resource for future expeditions to explore and even stay on the Moon, and potentially easier to access than the water detected beneath the Moon's surface.<p>>Learning more about this ice, how it got there, and how it interacts with the larger lunar environment will be a key mission focus for NASA and commercial partners, as we endeavor to return to and explore our closest neighbor, the Moon.<p>What will be necessary to sort out how much water ice is "available?" Wondering about colony feasibility