American military technology during World War II US cruisers and battleships had their guns directed using information gathered from the ship's radar. American military technology during World War II American military technologies developed during World War II became more advanced and specialized as the war progressed. The technologies produced ranged in complexity from relatively simple items such as small arms and armored vehicles, including tanks, to more complex items such as the atomic bomb. The latter, produced under the secretive Manhattan Project, proved to be an incredibly powerful weapon that revolutionized warfare and was used to end the war. Other technologies, such as the M4 Sherman tank,
The War That Came Early those we know. "The two historical viewpoint characters are marked as such" Allied combatants: Axis combatants: As in real life, Rudel is a pioneer in the use of aerial tank-busting cannon. Other: The War That Came Early The War That Came Early is a six-volume<ref name="randomhouse.com/delrey"></ref> alternate history series by Harry Turtledove, in which World War II begins in 1938 over Czechoslovakia. The first volume, "Hitler's War", was released in hardcover in 2009 without a series title. Subsequently, the paperback edition was announced as "The War That Came Early: Hitler's War". The series is six volumes: In this series the