NASA Space Walks Use Fake Scuba Diving AstroNOTS

My research has uncovered what I believe to be the way that NASA fakes the space walks. They use live editing of the streams from a pool and the astroNOTS are assisted throughout in the pool by scuba divers who are edited out in real time. The original video:

This one isn't easy, make sure you watch close and understand what I am trying to show you. Thanks