This page is just stupid|
Garbitron's master plan to get more recruits? They put up posters. It's like he's offering guitar lessons.
...but hey, I got to draw stick figures! Best art yet!
By the way, notice how the hat on the guy with gum changes.
The helmets are simple glass or plastic bubbles that go over the humans' heads. This means the hole is either large enough to get their head in and let all the air out the neck...or the hole is too small and they wouldn't be able to get the helmets on in the first place. I obviously hadn't thought out the helmets too much.
I don't know why I even bothered with helmets if they were just going to take them off on the planet anyway.