In the pacific theater, the united states relied mainly on a strategy of

The US military strategy in the Pacific theater is known as island hopping. The goal of this strategy was to focus on taking control of important Japanese islands and establishing military bases at the islands they took over. This strategy was meant to accomplish two goals:

1) Cut off the supply line of the Japanese military.
2) Establish military bases close to mainland Japan in order to prepare for an attack.

This strategy was highly effective and allowed US to have a favorable outcome in the Pacific theater.