Which battle was fought to establish an American base close to the major islands of Japan.?

The Battle of Iwo Jima, fought from February 19 to March 26, 1945, was crucial in establishing an American base closer to the major islands of Japan. The capture of Iwo Jima provided the U.S. military with a strategic location for launching air operations and support for the planned invasion of Japan. The battle was marked by fierce combat and significant casualties, highlighting the determination of both American forces and Japanese defenders.