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,
Type 4 Chi-To medium tank tank. Type 4 Chi-To medium tank The ("Imperial Year 2604 Medium Tank Model 7") was one of several medium tanks developed by the Imperial Japanese Army towards the end of World War II. While by far the most advanced Japanese wartime tank to reach production, industrial and material shortages resulted in only a few chassis' being manufactured and only two known to be completed. Neither Type 4 Chi-To tank saw any combat. The Type 4 Chi-To was a thirty-ton, all-welded medium tank with a maximum armor thickness of on the frontal plates. Manned by a crew of five, it was