<P> The following is a list of United States Army and United States Marine Corps divisions of World War II . The United States began the war with only a handful of active divisions: five infantry and one cavalry . By the end of the war, the nation had fielded nearly one hundred . This has been called "the 90 - Division Gamble". Additionally, due to the US Army's method of employment combined with events of the war, the United States did not suffer the destruction of any of its division - size units during the conflict, except for the Philippine Division in 1942 . See also the "phantom" units used to confuse the Germans . </P> <Ul> <Li> 1st Armored Division: Formed in 1940, the 1st served in North Africa from November 1942 to May 1943 and in Italy from October 1943 to the end of the war . </Li> <Li> 2nd Armored Division: Formed in 1940, the 2nd served in North Africa from November 1942 to May 1943, in Sicily in July 1943, and served in Europe from June 1944 to the end of the war . </Li> <Li> 3rd Armored Division: Formed in 1941, the 3rd served in Europe from June 1944 to the end of the war . </Li> <Li> 4th Armored Division: Formed in 1941, the 4th served in Europe from July 1944 to the end of the war . </Li> <Li> 5th Armored Division: Formed in 1941, the 5th served in Europe from July 1944 to the end of the war . </Li> <Li> 6th Armored Division: Formed in 1942, the 6th served in Europe from July 1944 to the end of the war . </Li> <Li> 7th Armored Division: Formed in 1942, the 7th served in Europe from August 1944 to the end of the war . </Li> <Li> 8th Armored Division: Formed in 1942, the 8th served in Europe from January 1945 to the end of the war . </Li> <Li> 9th Armored Division: Formed in 1942, the 9th served in Europe from December 1944 to the end of the war . </Li> <Li> 10th Armored Division: Formed in 1942, the 10th served in Europe from September 1944 to the end of the war . </Li> <Li> 11th Armored Division: Formed in 1942, the 11th served in Europe from December 1944 to the end of the war . </Li> <Li> 12th Armored Division: Formed in 1942, the 12th served in Europe from November 1944 to the end of the war . </Li> <Li> 13th Armored Division: Formed in 1942, the 13th served in Europe from January 1945 to the end of the war . </Li> <Li> 14th Armored Division: Formed in 1942, the 14th served in Europe from October 1944 to the end of the war . </Li> <Li> 16th Armored Division: Formed in 1942, the 16th served in Europe from February 1945 to the end of the war . </Li> <Li> 20th Armored Division: Formed in 1942, the 20th served in Europe from February 1945 to the end of the war . </Li> </Ul>

How many divisions did the us army have in ww2