How to Defend Earth Against an Alien Invasion

How could we defend Earth against an alien Invasion? Do we even stand a chance?

Could the United States, Russia and China work together to protect us? What are these aliens even capable of doing, especially if they have already traveled most likely at a light speed. They must be far superior to us and their alien technology is incredibly better than ours. Could we simply deploy more debris in to our orbit?

In this episode we focus on all the ways we could defend Earth against an alien invasion and what the best strategy is against it!