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Operation Argument
Part of the Western Front of World War II
Date 20–25 February 1944
Location
Nazi Germany, Nazi-occupied Netherlands
Result

Mixed

  • Allies achieve air superiority
  • Allied bombing of German aircraft industry ineffective
  • Allied losses more severe than German losses
  • High Dutch civilian death toll
Belligerents
 United States
 United Kingdom
 Germany
Commanders and leaders
United States Jimmy Doolittle
United States Carl Spaatz
United Kingdom Arthur Harris
Nazi Germany Hermann Göring
Nazi Germany Adolf Galland
Strength
United States US Eighth Air Force
United States US Fifteenth Air Force
United Kingdom RAF Bomber Command
United Kingdom RAF Fighter Command
Nazi Germany Luftwaffe
Casualties and losses
RAF:
131 bombers
USAAF:
226 heavy bomber
28 fighters
Over 2,000 aircrew killed or captured
262 fighters
250 aircrew killed or injured, including nearly 100 pilots KIA
c. 880 civilian deaths during the Bombing of Nijmegen, 57 civilian deaths in Arnhem, 40 civilian deaths in Enschede, 1 civilian death in Deventer.

Big Week or Operation Argument was a series of huge air raids during World War II. It took place from February 20 to 25, 1944. The United States Army Air Forces (USAAF) and RAF Bomber Command worked together.

The main goal was to attack German aircraft factories. The Allies hoped this would force the German air force, called the Luftwaffe, into a big battle. They wanted to damage the Luftwaffe so badly that the Allies would control the skies. This control was vital for the upcoming invasion of Europe.

The USAAF bombed during the day, and the RAF bombed the same targets at night. Arthur "Bomber" Harris, who led RAF Bomber Command, did not want to join at first. He preferred his "area bombing" attacks. But Air Chief Marshal Sir Charles Portal ordered him to take part.

RAF Fighter Command also helped by protecting USAAF bombers. This happened just as the Eighth Air Force started using the new P-51 long-range fighter planes. These new fighters could fly much farther than older ones.

Why Big Week Happened

The Air War in 1943

In mid-1943, Germany's Luftwaffe had about 2,200 fighter planes. When Allied bombers attacked, 500 or more German fighters would often show up. Allied spies also found that Germany could make 2,000 to 3,000 planes every month. It was clear the Allies needed to stop this production.

Throughout 1943, the Allies launched huge air raids on German factories. But these attacks did not work as well as hoped. It was hard to destroy large factory areas completely. They were also easy to repair.

Early US Bombing Challenges

The US 8th Air Force grew stronger and gained experience in 1943. They started flying deeper into Germany. At first, they thought their bombers, like the Boeing B-17 Flying Fortress and Consolidated B-24 Liberator, could defend themselves. These planes had many machine guns. They flew in tight groups, called "combat boxes," for protection.

This idea seemed to work in 1942, with low losses. But the Luftwaffe changed its tactics. They used more planes with heavier weapons. This made their attacks more successful.

The Schweinfurt Raids

A good example of these problems was the Schweinfurt-Regensburg missions. On August 17, 1943, USAAF bombers attacked factories in Schweinfurt and Regensburg. Out of 376 bombers, 60 were shot down. Another 87 were too damaged to fly again. The Germans lost 27 fighters, which was serious for them, but much less than Allied losses.

The Second Raid on Schweinfurt on October 14, 1943, was even worse. It was called "Black Thursday." Out of 291 bombers, 60 were lost, and 17 were too damaged to repair. The idea that bombers could defend themselves seemed wrong. Daylight missions into Germany were stopped to rebuild forces and find new ways to fight German fighters.

New Tactics for Both Sides

Both sides learned from these battles. Germany saw that their twin-engine heavy fighters, armed with powerful guns, were working well. They kept building more of these "bomber destroyers."

The Allies realized they needed long-range escort fighters. The North American P-51 Mustang looked like the best choice. It could fly far, perform well at high altitudes, and was reliable. Over the winter, US fighter squadrons got these new Mustangs.

By early 1944, both sides were ready. The US felt confident with their new fighters. They planned huge raids on German fighter factories. If Germany did not fight back, they would lose the air war. If they did fight, they would meet the new long-range Allied fighters.

Germany was ready to fight. But their heavily armed fighters were slower. This made them easy targets for the fast, new Mustangs.

Planning Big Week

Allied Strategy

The main goal of Big Week was to gain air superiority over the Luftwaffe. This was absolutely necessary before the planned invasion of Northern France.

At first, Allied fighters stayed close to the bombers. This protected the bombers but made it hard to chase German fighters. Major General Jimmy Doolittle, who led the Eighth Air Force, changed this. He ordered bombing missions on key aircraft factories that Germany could not ignore.

He also told Allied fighters to leave the bombers if needed. Their main job became shooting down Luftwaffe fighters. So, the bombing missions were meant to draw out the Luftwaffe. The bombers were almost like bait.

Some historians also say the main goal was to destroy Germany's aircraft industry. This plan, called Operation Argument, aimed to completely wipe out German aircraft production. Allied leaders feared that many German fighters would cause huge losses for Allied aircrews during the invasion.

Planners expected to lose many planes during Big Week. They were ready to sacrifice a large number of bombers to achieve their goal. The Allies gathered information on all German factories making aircraft parts and assembling planes. They needed several days of good weather for the plan to work. Even with small signs of good weather, they decided to launch the campaign.

Allied Air Forces

By February 22, 1944, the United States Strategic Air Forces in Europe was led by Lieutenant General Carl Spaatz. The US Eighth Air Force was commanded by Major General James H. Doolittle and Major General Frederick Lewis Anderson.

In total, 981 bomber aircraft were ready for Operation Argument. A B-24 Liberator bomber usually had a crew of ten men.

Big Week Operations

The Americans flew missions every day, with fighter escorts. They attacked aircraft factories and airfields in many German cities. These included Leipzig, Brunswick, Gotha, Regensburg, Schweinfurt, Augsburg, Stuttgart and Steyr.

In six days, the Eighth Air Force from England flew over 3,000 missions. The Fifteenth Air Force from Italy flew over 500 missions. Together, they dropped about 10,000 tons of bombs.

USAAF Bomber Missions

Here are some of the main USAAF bomber missions during Big Week:

USAAF bomber sorties during Big Week
Date Air Force Area Notes
20 February 1944 8AF ETO: Strategic operations Big Week began with attacks on German aircraft plants and airfields. Targets included Leipzig, Tutow, and Brunswick. 21 bombers and 4 fighters were lost.
20 February 1944 8AF ETO Five B-17s dropped leaflets over French cities like Tours and Nantes.
20 February 1944 9AF ETO: Tactical operations 35 Martin B-26 Marauder bombers attacked Haamstede Airfield in the Netherlands. Many other planes turned back due to bad weather.
21 February 1944 8AF ETO: Strategic operations Attacks continued on German airfields like Gütersloh, Lippstadt, and Werl. 16 bombers and 5 fighters were lost.
21 February 1944 8AF ETO Five B-17s dropped leaflets over French cities like Rouen and Paris.
21 February 1944 9AF ETO: Tactical operations 18 B-26s bombed Coxyde Airfield in Belgium. Bad weather caused many other missions to be cancelled.
22 February 1944 8AF ETO: Strategic operations The VIII Bomber Command was renamed the Eighth Air Force.
22 February 1944 8AF ETO: Strategic operations Big Week continued with attacks on German aviation targets and airfields. 41 bombers and 11 fighters were lost.
  • Some B-17s hit targets like Aschersleben and Bernburg.
  • Other B-17s tried to hit Schweinfurt but turned back due to bad weather.
  • B-24s were recalled but strong winds blew them over the Netherlands. Their bombs accidentally hit cities like Enschede, Arnhem, Nijmegen, and Deventer. About 900 civilians were killed, mostly in Nijmegen.
22 February 1944 9AF ETO 66 B-26s bombed Gilze-Rijen Airfield in the Netherlands.
22 February 1944 15AF MTO: Strategic operations B-17s attacked the Regensburg aircraft factory in Germany. B-24s also hit Regensburg. 13 bombers were lost.
23 February 1944 8AF ETO: Strategic operations Five B-17s dropped leaflets over French cities like Rennes and Lille.
23 February 1944 15AF MTO:Strategic operations B-24s bombed the industrial area at Steyr, Austria. Bad weather caused other bombers to turn back.
24 February 1944 8AF ETO Missions were flown against targets in France, including V-weapon sites. Heavy clouds caused many bombers to return without bombing. 7 B-17s were lost.
24 February 1944 8AF ETO 49 B-24s hit V-weapon sites at Ecalles sur Buchy.
24 February 1944 8AF ETO 258 B-17s attacked V-weapon sites in the Pas de Calais. 7 B-17s were lost.
24 February 1944 8AF ETO Five B-17s dropped leaflets over French cities like Amiens and Paris.
24 February 1944 9AF ETO 180 B-26s attacked 'NOBALL' (V-weapon) targets in France.
25 February 1944 8AF ETO The final "Big Week" mission hit 4 targets in Germany. 31 bombers and 3 fighters were lost.
  • B-17s hit aviation industry targets at Augsburg and Stuttgart.
  • B-17s also hit aviation industry targets at Regensburg.
  • B-24s hit aviation industry targets at Furth.
25 February 1944 8AF ETO Five B-17s dropped leaflets over French cities like Grenoble and Toulouse.
25 February 1944 9AF ETO: Tactical operations 191 B-26s bombed airfields in France and the Netherlands as a diversion.
25 February 1944 9AF MTO: Strategic operations B-17s attacked the Regensburg aircraft factory again. B-24s attacked targets in Italy and Austria. Over 30 US aircraft were lost.

RAF Bomber Missions

RAF Bomber Command also attacked German aircraft factories.

RAF Bomber Command night-time sorties during Big Week
Date Notes
19/20 February 1944 921 planes flew missions, with 79 aircraft lost. The main raid was by 823 planes to Leipzig. Mosquito planes also bombed German nightfighter airfields.
20/21 February 826 planes flew missions, with 10 aircraft lost. The main raid was by 598 planes to Stuttgart.
21/22 February 17 Mosquitos bombed Duisburg, Stuttgart, and flying-bomb sites. Only 1 plane was lost in total that night.
22/23 February 10 Mosquitos bombed Stuttgart, 8 bombed Duisburg, and 3 bombed Aachen. No aircraft were lost that night.
23/24 February 17 Mosquitos bombed Düsseldorf. No aircraft were lost that night.
24/25 February 1,070 planes flew missions, with 36 aircraft lost. The main raid was by 734 planes on Schweinfurt, home to Germany's main ball-bearing factories. US B-17s had bombed these factories the day before.
25/26 February 1944 Almost 600 aircraft attacked the aircraft assembly plant at Augsburg. The attack was very accurate and destroyed about 60 percent of the industrial city.

Aftermath of Big Week

Impact on Civilians

Oorlogsschade na het bombardement van 22 februari 1944; gezien vanuit de toren van de St. Dominicus F65461
Damage to Nijmegen after the 22 February Bombing of Nijmegen

The Bombing of Nijmegen on February 22 was a sad accident. Bombers meant for a German factory were blown off course by strong winds. They accidentally hit Dutch cities like Nijmegen, Arnhem, and Enschede. About 880 civilians died in Nijmegen alone.

The Dutch government, which was allied with the Allies, was very upset. The Allies launched an investigation right away. All planned air raids for February 23 were cancelled. This event caused some distrust among Allied leaders for a while. The American military learned from this. By May 1944, they ordered pilots to avoid bombing targets too close to the Netherlands border.

Germany tried to use this tragedy in their propaganda. They wanted to turn Dutch people against the Allies. But these efforts did not work.

Military Outcomes

Despite the tragic accident in the Netherlands, Big Week boosted the confidence of US bomber crews. Before this, Allied bombers tried to avoid fighting the Luftwaffe. Now, the Americans actively sought out battles.

This led to attacks on Berlin. Allied leaders believed bombing the German capital would force the Luftwaffe to fight. On March 4, 1944, 730 bombers with 800 fighters attacked Berlin. Both sides suffered heavy losses. The Allies lost 69 B-17s, but the Luftwaffe lost 160 aircraft. The Allies could replace their losses, but Germany could not.

Germany had new tactics, using heavily armed Fw 190s to destroy bombers. But US General Doolittle changed Allied fighter tactics. He "freed" the fighters. This meant they could fly ahead of the bombers and hunt down German fighters. This change was unpopular with bomber crews at first, but it worked very well.

The main bombing campaign against fighter production officially ended on April 1, 1944. Control of the air forces then passed to US General Dwight D. Eisenhower. This was to prepare for the Normandy invasion of France. Allied airmen were well on their way to controlling the skies over Europe. They continued strategic bombing but also focused on supporting the invasion on the ground.

See also

  • Operation Steinbock, the German "baby blitz" against the UK, which happened at the same time as "Big Week" and afterwards.
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