More than 80 years ago, the world was exploding – literally and figuratively – during World War II. In the furious naval skirmishes that raged across the Pacific Ocean, many warships were lost, their steel carcasses plunging to the seafloor, where they have been gradually rusting and crusting with coral in the silence and the dark. As their hulls split open, the fuel remaining in their tanks has been seeping into the surrounding environment.