Withdrawing from the Outer Space Treaty and claiming the moon as sovereign American territory would allow the United States to sell land parcels and mineral rights on Earth’s nearest neighbor. The moon is filled with natural resources, including platinum, water (useful for creating rocket fuel and for sustaining space settlers) and helium 3, a substance that does not exist in nature on Earth that could be used to fuel limitless and clean fusion energy. The proceeds of selling pieces of the moon could be used to retire part of the national debt. The United States will need to defend its...