Here is a picture of me, who else, and two friends during a field exercise at Kelveden Hatch where we play.
Our games involve role-playing and there is a long ongoing plot to save the world from unspeakable horrors. Here I am again collecting some samples of said unspeakable horrors during a one mission.
Finally, me and some of my fellow team members during a lull after we had malleted the opposition.
We use full face masks, and our in game rationale is that they are gas-masks. We have used gas-masks, before anyone asks, but it's seriously not fun to run around