I know it's far off but bear with me..Whichever political entity controls the moon, potentially has an unbeatable weapon
Has anyone read Heinlein's The Moon is a Harsh Mistress. In the book, hydroponically grown wheat is shipped from the moon to earth. Bear in mind, the energy expenditure from the moon to the earth is much less than earth to moon. Cargo is launched from the moon with an electromagnetic catapult. When the colony gets pissed off and revolts, they bomb earth, particularly Cheyenne Mountain, with rocks. You simply cut out a large rock, slap a steel band around it for the magnet to grab. Gravity does the rest and it hits the earth at 10/12 km/s, releasing energy comparable to a small nuke.
And that my friends, is one of the fears of moon colonization. Hmmm...What if the Chinese get there first????