Well it IS a cool "tree" and with out a doubt it is #5. Oh yeah I am sure of it. You know those aliens are tricky. That is right out of their playbook. Totally Aliens 101!! They know that the best way to hide something is to put it in plain sight. Clearly charred from the rocket flames. Obviously designed to penetrate the soil head first. Yes indeed, they are a clever lot, let me tell you!