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Zombies!
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If you like alternative history, Zombies of Iwo Jima.

J. Robert Oppenheimer and other scientists rush to create the atomic bomb in 1945 as the war in Europe comes to an end. The Land of the Rising Sun remains a threat to America’s freedom. The U.S. concentrates its forces on the Pacific front. The tiny island of Iwo Jima becomes a major stepping stone to advance on Japan’s mainland. Zombies of Iwo Jima takes you behind the scenes and reveals why it is considered one of the bloodiest battles of the entire war. And, tells why fate chose the two cities for atomic destruction.

Zombies of Iwo Jima