> Starting a fire would be easy, not obvious and devastating. I'm not sure how starting a fire would be non-obvious but, in general, fire prevention, detectio

> Starting a fire would be easy, not obvious and devastating. I'm not sure how starting a fire would be non-obvious but, in general, fire prevention, detection and suppression a risk that space crews are well trained to deal with, regardless of sabotage. > It wouldn't be difficult to have the gun be completely unavailable until landing. Agree, but: 1. That is not the case that's described here. 2. My argument was to counter the claim that having access to a gun onboard a spaceship does not significantly increase the overall risk to crew members.