US was attacking in the island hopping campaign, not Japan. Japan was defending. Island hopping started midway, and went through Iwo Jima, Tarawa, and so on. again, US was attacking.
There were a number of islands captured by the Allies in 'Island Hopping' which was also known as 'leapfrogging' e.g. Guadalcanal , Peleliu , Tarawa , Iwo Jima and Okinawa .
Methodically securing one island at a time as they made their way toward the Japanese mainland.
Iwo Jima and Okinawa.
The strategy of island-hopping was to capture important islands, one by one, until Japan was in easy range of American bombers.
"Island Hopping" .
Japan
Island hopping
Island hopping.
Okinawa
Island-Hopping .
"Midway" was strictly a naval battle. Iwo Jima was part of the "island hopping" campaign.
Okinawa
Okinawa
Okinawa
Midway
Okinawa