Each island action was tiny in scale by the standards of the European theatre: at the peak of the Guadalcanal battle, no more than 65,000 Americans and Japanese were engaged with each other ashore, while 40,000 more men served on warships and transports at sea. But the intensity of the struggle, and the conditions in which the combatants were obliged to subsist amid swamps, rain, heat, disease, insects, crocodiles, snakes and short rations caused the Pacific battlefield experience to become one of the worst of the war.
