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How was Lieutenant General Simon Bolivar Buckner Jr. killed?

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U.S. Marines on Okinawa — Battle of Okinawa U.S. Marines battling for control of a ridge near Naha, Okinawa, May 1945.

Lieutenant General Simon Bolivar Buckner Jr. was killed in action on June 18, 1945, while visiting a forward observation post near the southwest tip of Okinawa. As the commanding general of the 10th Army, he was the highest-ranking U.S. officer to be killed by enemy fire during World War II.12