|Ninth United States Army|
Ninth United States Army shoulder sleeve insignia
15 April 1944–1945 |
|Country||United States of America|
|Engagements||World War II|
|William Hood Simpson|
The Ninth United States Army is a field army of the United States Army. It was one of the main U.S. Army combat commands used during the campaign in Northwest Europe in 1944 and 1945. It was commanded from its inception by Lieutenant General William Simpson. It had been designated Eighth Army, but on arrival in the United Kingdom it was renamed to avoid confusion with the famous British formation of the same designation. All American field armies in the European Theatre of Operation were designated with odd numbers, even numbered field armies served in the Pacific Theatre of Operations.
The first responsibility for Ninth Army, upon its arrival on 5 September was to take part in the final reduction of the German forces holding out in the French port of Brest. After the surrender of the town fifteen days later, Ninth Army was sent east to take its place in the line. It came into the line between Third Army and First Army.
In November, Ninth Army was shifted to the very northern flank of 12th Army Group. It undertook operations to close the front up to the Roer River. 16 December saw the opening of the last great German offensive of the war, the Battle of the Bulge. Ninth Army was isolated from the headquarters of 12th Army Group, and it was thus placed (on 20 December) under the command of General Bernard Montgomery's 21st Army Group along with First Army, despite opposition from General Omar Bradley. Simpson reoriented his command quickly to help in the reduction of the salient that the Germans had created. Many of Ninth Army's units passed to the command of First Army, which was doing the main work of reducing the German salient from the north. In the meantime, the remainder of Ninth Army continued to hold the line along the Roer. When First Army and Third Army had finished reducing the salient, First Army returned to the command of 12th Army Group, but Ninth Army remained under the command of 21st Army Group for the remainder of the Rhineland Campaign.
Late February and Ninth Army launched Operation Grenade, which was the southern prong of a pincer attack coordinated with Canadian First Army's Operation Veritable, with the purpose of closing the front up to the Rhine. By 10 March, the Rhine had been reached in all sectors of Ninth Army's front. It was not until after 20 March that Ninth Army units first crossed the Rhine itself. However, after doing so, the Army quickly struck east around the north of the Ruhr. An enormous pocket soon formed containing the German Army Group B under Model. By 4 April, Ninth Army had reached the Weser and was switched back to 12th Army Group.
The end was now clearly in sight, and as part of Ninth Army, along with the newly arrived Fifteenth Army, reduced the enormous Ruhr Pocket, other elements reached the Elbe on 18 April. 2 May saw the whole of Ninth Army's front reached the agreed demarcation point with the Russians, and the advance ceased.
- Ardennes-Alsace, Sullivan, Gordon R.
- "Video: Allies Overrun Germany Etc. (1945)". Universal Newsreel. 1945. http://www.archive.org/details/gov.archives.arc.39165. Retrieved 21 February 2012.
- "US Army Africa: History". 30 Dec 2012. http://www.usaraf.army.mil/history.html/.
- The Struggle for Europe; Chester Wilmot
- Interviews with William Hood Simpson. 30 June 1976, 7 July 1976, University of Texas at San Antonio: Institute of Texan Cultures: Oral History Collection, UA 15.01, University of Texas at San Antonio Libraries Special Collections.
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