Giant Aliens "Worms - UFOs" in the Earth's atmosphere - Shooting with the ISS, January 13, 2013
Giant alien worms? Sure, why not? This guy's evidence and theories are just as solid as almost anyone's on YouTube.
Here's from the description:
You can see the undulating motion anomalies - worms. This is not a cloud! The movement can be seen through the filters in the video. What was it - you decide. But, it's not a cloud!
Watch in HD and full screen!