The 12th Army Group was the largest and most powerful American formation ever to take to the field. It controlled the majority of American forces on the Western Front in 1944 and 1945. It was commanded by General Omar Bradley. General of the Army Omar N. Bradley Omar Nelson Bradley (February 12, 1893 â April 8, 1981) was one of the main U.S. Army field commanders in North Africa and Europe during the World War II and a General of the Army of the United States Army. ...
12th Army Group occupied the right flank of the Allied lines in Normandy, and the centre of the Allied line after 6th Army Group came into the line. At its peak it controlled four field armies, US First Army, US Third Army, US Ninth Army and US Fifteenth Army. Mont Saint Michel is a historic pilgrimage site and a symbol of Normandy Normandy is a geographical region in northern France. ... The 6th Army Group was an army group of the Allies (namely the United States Army) during World War II. It was created in Corsica, Italy (specifically activated on August 1, 1944) to consolidate the combined French and American forces that were planning to invade southern France in Operation Dragoon. ... The United States First Army was first activated in August 1918. ... The US Third Army was first activated as a formation during the First World War. ... The US Ninth Army was one of the main US combat commands used during the campaign in northwest Europe in 1944 and 1945. ... The US Fifteenth Army was the last field army to see service in northwest Europe during World War II. It was first activated in early 1945, with Lieutenant General Leonard Gerow assuming command on 15 January. ...
The 12thArmyGroup was the largest and most powerful American formation ever to take to the field.
After the breakout from beach-head at Normandy, the 12thArmyGroup occupied the center of the Western Front to the North was the British 21st ArmyGroup and to the south, after their breakout from the Mediterranean coast, was the US 6th ArmyGroup.
As the 12th advanced through Germany in 1945, it controlled four field armies: US First Army;US Third Army;US Ninth Army and US Fifteenth Army.
This was to have been the northern part of a pincer movement, with the US Ninth Army moving northwards towards Dusseldorf and Krefeld (Operation Grenade), to clear the west bank of the Rhine, north of Cologne.
Canadian First Army wheeled left and liberated northern Holland, British Second Army occupied much of north-west Germany and liberated Denmark, and US Ninth Army formed the northern arm of the encirclement of German forces in the Ruhr pocket and, on 4 April, reverted to Bradley's 12thArmyGroup.
It was redesignated the British Army of the Rhine on 25 August 1945, and would eventually form the nucleus of the British forces stationed in Germany throughout the Cold War.