I was surprised to see the wooden benches in the gym. Except for shoring, I can't recall much wood when I was in the US Navy; fire danger.
Interesting that wood is also sometimes used as a heat shield for spacecrafts returning to Earth, fire danger notwithstanding.
Re: Interior Images of Typhoon Sub – world's largest submarine (2009)
#11Probably high enough up, there is not enough air for it to burn -- and the heat conductivity of wood is really poor.