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Why was capturing Okinawa important to plans for invading Japan?
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Battle of Okinawa
U.S. Marines battling for control of a ridge near Naha, Okinawa, May 1945.
Capturing Okinawa was considered a vital precursor to the ground invasion of the Japanese home islands during World War II. Its strategic importance was defined by several key factors:
- Proximity: Located just 350 miles (563 km) from Kyushu, the southernmost large Japanese island, Okinawa served as the final stepping-stone for the planned invasion.123
- Staging and Logistics: The island was intended to serve as a critical staging area and supply base for the massive forces required for the subsequent invasion of Japan.2
- Air Support: By securing bases on the island, the Allies could intensify pre-assault aerial bombardment of Japan and provide direct land-based air support for invasion forces.2
The seizure of positions in the Ryukyu Islands was the final strategic step in the Pacific War before the planned assault on the Japanese mainland.2