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Combined Bomber Offensive
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Combined Bomber Offensive
The Combined Bomber Offensive (CBO) was an Allied offensive of strategic bombing during World War II in Europe. The primary portion of the CBO was directed against Luftwaffe targets which were the highest priority from June 1943 to 1 April 1944. The subsequent highest priority campaigns were against V-weapon installations (June 1944) and petroleum, oil, and lubrication (POL) plants (September 1944). Additional CBO targets included railyards and other transportation targets, particularly prior to the invasion of Normandy and, along with army equipment, in the final stages of the war in Europe.
The British bombing campaign was chiefly waged by night by large numbers of heavy bombers until the latter stages of the war when German fighter defences were so reduced that daylight bombing was possible without risking large losses. The US effort was by day – massed formations of bombers with escorting fighters. Together they made up a round-the-clock bombing effort except where weather conditions prevented operations.
The Pointblank directive initiated the primary portion of the Allied Combined Bomber Offensive intended to cripple or destroy the German aircraft fighter strength, thus drawing it away from frontline operations and ensuring it would not be an obstacle to the invasion of Northwest Europe. The directive issued on 14 June 1943 ordered RAF Bomber Command and the U.S. Eighth Air Force to bomb specific targets such as aircraft factories; the order was confirmed at the Quebec Conference, 1943.
Up to that point the Royal Air Force and United States Army Air Forces had mostly been attacking German industry in their own way – the British by broad night attacks on industrial areas and the US in "precision attacks" on specific targets. The operational execution of the directive was left to the commanders of the forces and as such even after the directive the British continued in night attacks on the majority of the attacks on German fighter production.
Both the British and the US (through the Air War Plans Division) had drawn up their plans for attacking the Axis powers.
The British Ministry of Economic Warfare (MEW) published the Bombers' Baedeker in 1942 that identified the "bottleneck" German industries of oil, communications, and ball bearings; a second edition followed in 1944. At the January 1943 Casablanca Conference the Combined Chiefs of Staff agreed to conduct the "Bomber Offensive from the United Kingdom" and the British Air Ministry issued the Casablanca directive on 4 February with the object of:
The progressive destruction and dislocation of the German military, industrial and economic systems and the undermining of the morale of the German people to a point where their capacity for armed resistance is fatally weakened. Every opportunity to be taken to attack Germany by day to destroy objectives that are unsuitable for night attack, to sustain continuous pressure on German morale, to impose heavy losses on German day fighter force and to conserve German fighter force away from the Russian and Mediterranean theatres of war.
After initiating the preparation of a U.S. targeting plan on December 9, 1942;[1] on March 24, 1943, General "Hap" Arnold, the USAAF Commander requested target information from the British, and the "Report of Committee of Operations Analysts" was submitted to Arnold on March 8, 1943 and then to the Eighth Air Force commander as well as the British Air Ministry, the MEW and the Royal Air Force (RAF) commander. The COA report recommended 18 operations during each three-month phase (12 in each phase were expected to be successful) against a total of 6 vulnerable target systems consisting of 76 specific targets. The six systems were 1) German submarine construction yards and bases, 2) German aircraft industry, 3) ball bearing manufacture, 4) oil production, 5) synthetic rubber and tires, and 6) military transport vehicle production. Using the COA report and information from the MEW, in April 1943 an Anglo-American committee (composed of British Chiefs of Staff and the American Joint Chiefs of Staff) under Lieutenant General Ira C. Eaker; led by Brigadier General Haywood S. Hansell, Jr.; and including Brig. Gen. Orvil A. Anderson completed a plan for the "Combined Bomber Offensive from the United Kingdom", which projected the US bomber strength for the four phases (944, 1,192, 1,746, & 2,702 bombers) through to 31 March 1944. Eaker added a summary and final changes (into the "Intermediate Objectives" section), such as:
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Combined Bomber Offensive
The Combined Bomber Offensive (CBO) was an Allied offensive of strategic bombing during World War II in Europe. The primary portion of the CBO was directed against Luftwaffe targets which were the highest priority from June 1943 to 1 April 1944. The subsequent highest priority campaigns were against V-weapon installations (June 1944) and petroleum, oil, and lubrication (POL) plants (September 1944). Additional CBO targets included railyards and other transportation targets, particularly prior to the invasion of Normandy and, along with army equipment, in the final stages of the war in Europe.
The British bombing campaign was chiefly waged by night by large numbers of heavy bombers until the latter stages of the war when German fighter defences were so reduced that daylight bombing was possible without risking large losses. The US effort was by day – massed formations of bombers with escorting fighters. Together they made up a round-the-clock bombing effort except where weather conditions prevented operations.
The Pointblank directive initiated the primary portion of the Allied Combined Bomber Offensive intended to cripple or destroy the German aircraft fighter strength, thus drawing it away from frontline operations and ensuring it would not be an obstacle to the invasion of Northwest Europe. The directive issued on 14 June 1943 ordered RAF Bomber Command and the U.S. Eighth Air Force to bomb specific targets such as aircraft factories; the order was confirmed at the Quebec Conference, 1943.
Up to that point the Royal Air Force and United States Army Air Forces had mostly been attacking German industry in their own way – the British by broad night attacks on industrial areas and the US in "precision attacks" on specific targets. The operational execution of the directive was left to the commanders of the forces and as such even after the directive the British continued in night attacks on the majority of the attacks on German fighter production.
Both the British and the US (through the Air War Plans Division) had drawn up their plans for attacking the Axis powers.
The British Ministry of Economic Warfare (MEW) published the Bombers' Baedeker in 1942 that identified the "bottleneck" German industries of oil, communications, and ball bearings; a second edition followed in 1944. At the January 1943 Casablanca Conference the Combined Chiefs of Staff agreed to conduct the "Bomber Offensive from the United Kingdom" and the British Air Ministry issued the Casablanca directive on 4 February with the object of:
The progressive destruction and dislocation of the German military, industrial and economic systems and the undermining of the morale of the German people to a point where their capacity for armed resistance is fatally weakened. Every opportunity to be taken to attack Germany by day to destroy objectives that are unsuitable for night attack, to sustain continuous pressure on German morale, to impose heavy losses on German day fighter force and to conserve German fighter force away from the Russian and Mediterranean theatres of war.
After initiating the preparation of a U.S. targeting plan on December 9, 1942;[1] on March 24, 1943, General "Hap" Arnold, the USAAF Commander requested target information from the British, and the "Report of Committee of Operations Analysts" was submitted to Arnold on March 8, 1943 and then to the Eighth Air Force commander as well as the British Air Ministry, the MEW and the Royal Air Force (RAF) commander. The COA report recommended 18 operations during each three-month phase (12 in each phase were expected to be successful) against a total of 6 vulnerable target systems consisting of 76 specific targets. The six systems were 1) German submarine construction yards and bases, 2) German aircraft industry, 3) ball bearing manufacture, 4) oil production, 5) synthetic rubber and tires, and 6) military transport vehicle production. Using the COA report and information from the MEW, in April 1943 an Anglo-American committee (composed of British Chiefs of Staff and the American Joint Chiefs of Staff) under Lieutenant General Ira C. Eaker; led by Brigadier General Haywood S. Hansell, Jr.; and including Brig. Gen. Orvil A. Anderson completed a plan for the "Combined Bomber Offensive from the United Kingdom", which projected the US bomber strength for the four phases (944, 1,192, 1,746, & 2,702 bombers) through to 31 March 1944. Eaker added a summary and final changes (into the "Intermediate Objectives" section), such as:
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