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| | MilitaryHistoryOnline.com - US Army in World War II |
 | | Three were originally formed as armored corps, of which the I Armored Corps was inactivated in Morocco and its personnel utilized in the formation of the Seventh Army, the II Armored Corps became the XVIII Airborne Corps, and the III Armored Corps became the XIX Corps. |
 | | By 1945, the First, Third, Seventh, Ninth, Fifteenth, and First (Allied) Airborne Armies were operational in the ETO, the Fifth was in the MTO, the Sixth, Eighth, and Tenth were in the PTO, and the Second and Fourth Armies were in the United States with training missions. |
 | | With few exceptions, all the armies and corps were organized by the AGF or existed in the Regular Army or Organized Reserves at the start of the war. |
| www.militaryhistoryonline.com /wwii/usarmy/organization.aspx (574 words) |
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