Amphib's have a deck for helicopters harriers ospreys and other aircraft of that type. When fighting a shipboard fire you want to cool all of the surrounding compartments and decks in order to lessen the chance of damage to the structure of the ship keeping it cool lessens the chance of other serious issues that would have to be drydock repaired
Why does that amphib ship have a deck to launch jets from, also why are the firefighters just spraying the metal on the outside of the ship?
Amphib's have a deck for helicopters harriers ospreys and other aircraft of that type. When fighting a shipboard fire you want to cool all of the surrounding compartments and decks in order to lessen the chance of damage to the structure of the ship keeping it cool lessens the chance of other serious issues that would have to be drydock repaired