There is a lot of history on the web of this battle.

https://en.wikipedia.org/wiki/Battle_of_Okinawa

JAPANESE COMMANDERS on Okinawa (photographed early in February 1945). In center: (1) Admiral Minoru Ota, (2) Lt. Gen. Mitsuru Ushijima, (3) Lt. Gen. Isamu Cho, (4) Col. Hitoshi Kanayama, (5) Col. Kikuji Hongo, and (6) Col. Hiromichi Yahara.

The war correspondent Ernie Pyle was killed in Okinawa.

There  is controversy over whether this was a good war.

OKINAWA – INVASION OF THE RYUKYU ISLANDS 1945 WWII COMBAT FILM IN COLOR

The Battle of Okinawa

The6thMarineDivisiononOkinawa