Stuff has caught fire at McMurdo multiple times - if it's not exterior, stuff inside the building is certainly flammable. McMurdo actually has their own 6-person fire department specifically because it's such a hazard.
At the South Pole station, all winter-overs take a weeklong firefighting training course with the Denver Fire Dept., since they don't have the luxury of a dedicated team.
At the South Pole station, all winter-overs take a weeklong firefighting training course with the Denver Fire Dept., since they don't have the luxury of a dedicated team.