Beams of light also revealed on NASA footage! Are "they" probing us?

This post reveals something similar, but this time based on NASA footage, to what happened a couple of days ago in Bristol, UK (see post http://22050hz.blogspot.com/2008/11/red-beam-shoots-to-ground-from-ufo-over.html) when red beams of light came shooting down from UFO sightings. These videos below are a MUST SEE. Please comment.

Part 1

Part 2

Part 3