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Operation Dragoon
Part of World War II
A map of the operation.
Date 15 August 1944 Location Southern France Result Decisive Allied victory
Combatants
United States1 Free France, United Kingdom	Germany
Commanders
Lt. Gen.Jacob L. Devers Lt. Gen.Alexander Patch	Gen. Obrst. Johannes Blaskowitz
Strength
175,000-200,000	85,000-100,000 in assualt area, 285,000-300,000 in S. France
Casualties
4,500 American, 4,500+ French	125,000+ (approx)

Operation Dragoon was the Allied invasion of southern France, on 15 August 1944, as part of World War II. The invasion took place between Toulon and Cannes.

During the planning stages, the operation was known as Anvil, to complement Operation Hammer, which was at that time the codename for the invasion of Normandy. Subsequently both plans were renamed, the latter becoming Operation Overlord, the former becoming Operation Dragoon; a name many thought was picked by Winston Churchill, who was opposed to the plan, and claimed to having been "dragooned" into accepting it. (This legend about Churchill later turned out to be false.)

Churchill argued that Operation Dragoon diverted resources that would have been put to better use in an invasion of the oil producing regions of the Balkans and then possibly to other Eastern European countries. In addition to further limiting Germany's access to much needed oil, it would also have better positioned the West for the peace following World War II by liberating these areas from the German occupation and forestalling the Red Army.

The plan originally envisaged a mixture of Free French and American troops taking Toulon and later Marseille, with subsequent revisions encompassing Saint Tropez. The plan was revised throughout 1944, however, with conflict developing between British military staff — who were opposed to the landings, arguing that the troops and equipment should be either retained in Italy or sent there — and American military staff, who were in favour of the assault. This was part of a larger Anglo-American strategic disagreement.

The balance was tipped in favour of Dragoon by two events: the eventual fall of Rome in early June, plus the success of Operation Cobra, the breakout from the Normandy pocket, at the end of the month. Operation Dragoon's D-day was set for 15 August 1944. The final go-ahead was given at short notice.

The U.S. 6th Army Group, also known as the Southern Group of Armies and as Dragoon Force, commanded by Lieutenant General Jacob L. Devers was created in Corsica and activated on August 1, 1944 to consolidate the combined French and American forces that were planning to invade southern France in Operation Dragoon. At first it was subordinate to AFHQ (Allied Forces Headquarters) under the command of General Sir Henry Maitland Wilson who was the supreme commander of the Mediterranean Theater. One month after the invasion, command was handed over to SHAEF (Supreme Headquarters, Allied Expeditionary Forces) under U.S. General Dwight D. Eisenhower, the supreme commander of Allied forces on the Western Front. Task Force 88 was also activated in August to support the landing.

3rd Infantry Division landing

The assault troops were formed of three American divisions of the VI Corps, reinforced with a French armoured division. The 3rd Infantry Division landed on the left at Alpha Beach (Cavalaire-sur-Mer), the 45th Infantry Division landed in the centre at Delta Beach (Saint-Tropez), and the 36th Infantry Division landed on the right at Camel Beach (Saint-Raphaël). The 93rd Evac landed at Saint-Maxime at H-6. At Cap Negre, on the western flank of the main invasion, a large group of French commandos landed to destroy German artillery emplacements (Operation Romeo). These were supported by other French commando groups landing on both flanks, and by Rugby Force, a parachute assault in the LeMuy-Le Luc area by the 1st Airborne Task Force: British 2nd Independent Parachute Brigade, the U.S. 517th Parachute Regimental Combat Team, and a composite U.S. airborne glider regimental combat team formed from the 509th Parachute Infantry Battalion, the 550th Glider Infantry Battalion, and the 1st Battalion, 551st Parachute Infantry Regiment(Operation Dove). The 1st Special Service Force took two offshore islands to protect the beachhead (Operation Sitka). Operation Span, a deception plan, was carried out to shield the main invasion.

Naval gunfire from Allied ships, including the French battleship Lorraine, British battleship HMS Ramillies, and the American capital ships USS Texas, Nevada and Arkansas and a fleet of over 50 cruisers and destroyers supported the landings. Seven Allied escort carriers provided air cover.

Over ninety-four thousand troops and eleven thousand vehicles were landed on the first day. A number of German troops had been diverted to fight the Allied forces in Northern France after Operation Overlord and a major attack by French resistance fighters, coordinated by Captain Aaron Bank of the OSS, helped drive the remaining German forces back from the beachhead in advance of the landing. As a result, the Allied forces met little resistance as they moved inland. The quick success of this invasion, with a twenty-mile penetration in twenty-four hours, sparked a major uprising by resistance fighters in Paris.

Follow-up formations included U.S. VI Corps HQ, U.S. Seventh Army HQ, French Army B (later redesignated the French First Army) and French I and II Corps, as well as the 51st Evacuation Hospital.

Monument to the landings of Allied troops under General Patch on the beach of St Tropez, France.

The rapid retreat of the German Nineteenth Army resulted in swift gains for the Allied forces. The plans had envisaged greater resistance near the landing areas and under-estimated transport needs. The consequent need for vehicle fuel outstripped supply and this shortage proved to be a greater impediment to the advance than German resistance. As a result, several German formations escaped into the Vosges and Germany.

The Dragoon force met up with southern thrusts from Overlord in mid-September, near Dijon.

A planned benefit of Dragoon was the usefulness of the port of Marseilles. The rapid Allied advance after Operation Cobra and Dragoon slowed almost to a halt in September 1944 due to a critical lack of supplies, as thousands of tons of supplies were shunted to NW France to compensate for the inadequacies of port facilities and land transport in northern Europe. Marseilles and the southern French railways were brought back into service despite heavy damage to the Port of Marseilles and its railroad trunk lines. They became a significant supply route for the Allied advance into Germany, providing about a third of the Allied needs.

1. A significant number of Canadians also took part in the battles in southern France as members of the bi-national US-Canadian First Special Service Force.

• US Army Campaigns of World War II - Southern France
• A detailed history of the campaign
• US historical article of the campaign