When you submit an icon for the community, roll +Art.
This community needs an icon, and sadly, there’s no obvious logo to go to as many other communities have.
So: I’m throwing it out to you. Submit what you like, and to be honest, this will be me picking, influenced a bit by the votes.
Something as simple as a PBTA in the Apoc World font would be clear, but I’m very open to people who have positive Art stats…
The gas mask isn’t bad looking when scaled down to 32x32: