What new technologies defined the war and tactics in the pacific?

The Pacific War was significantly defined by advancements in naval technology, such as aircraft carriers, which shifted the focus from battleship engagements to carrier-based air power. The introduction of radar improved detection and targeting capabilities, enhancing strategic operations. Additionally, the use of submarines for stealthy attacks and reconnaissance played a crucial role in disrupting enemy supply lines. Finally, innovations in amphibious warfare, including specialized landing crafts, facilitated successful assaults on heavily fortified islands.