To the Victor... (Film Synopsis Part 13)
The Story A fuming David Bowman marches from the emergency airlock to the main airlock, up the ladder and to the central computer room. Dave is now clad in full EVA gear with the front control box, air tank, and helmet. The helmet, which he obviously got from the emergency airlock is green - meaning he is in a color mismatched space suit. All we hear is breathing and the hiss of air flowing - not footsteps. This would indicate that the air has been removed from Discovery and we are only hearing what Dave hears. As Dave moves through the airlock, Hal demands "Just what do you think you're doing Dave?" Dave ignores Hal as he continues. Considering what he has just been through, his intentions are obvious, he is going to disconnect Hal. His strong breathing and silence indicates he is focused and is not going to listen to Hal try to talk him out of it. Hal continues and tries to reassure Dave that whatever the problem was, it is gone now and everything will be as it was