[ Excuse you, doesn't everyone have a really bad day where they get punted onto the moon and have to hang out in a space suit with a bandaid on it, just waiting to get picked up after the entire plot gets resolved without them? ]

That's what the normal suit is for, to stop the explosive decompression.

[ Duh! He hmphs and glances skeptically in the direction of the nearest window, whether that's in the lab or down the hall. ]

No one's tried to go outside? Seriously?