Strategic bombing
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A strategic bombing campaign is a military strategy used in a total war with the goal of destroying the economic ability of a nation-state to wage war. It is a systematically organized and executed attack from the air which can utilize strategic bombers, cruise missiles, or nuclear-armed fighter-bomber aircraft to attack large targets deemed to be vital to an enemy's war-making capacity. It differs from terror bombing in that the latter targets the enemy civilian population, to either bend it to the aggressor's will or to punish it for political actions, such as the World War II bombing of Rotterdam to force its surrender, or the 1941 bombing of Belgrade for "treachery".
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[edit] Strategic Bombing
While the distinction between tactical, operational, and strategic bombing can be blurred, they are distinct methodologies generally used for different purposes. Strategic bombing is a methodology distinct from both tactical bombing and the use of strategic air assets in an operational capacity. Such a strategy usually involves sustained attacks over a period of time on targets that affect a nation's overall warmaking capability, such as factories, railroads, oil industries, and other resources. Less frequently, individual strategic attacks are made against singular targets, such as Britain's Bomber Command attacks against the Ruhr dams in May, 1943.
As strategic bombing aims to undermine an enemy nation-state's ability to wage war, strategic bombers need to be able to reach targets throughout most or all of that nation, and so have tended to be larger, longer-ranged aircraft. Strategic bombers have also been used to support major military ground operations, such as the isolation of Normandy through the bombing of transportation hubs throughout northern France in support of the D-Day invasion, or the carpet bombing of the Axis front lines west of St. Lo in support of Operation Cobra.
An aerial attack strategy of deliberately bombing and/or strafing civilian targets in order to break the morale of an enemy, make its civilian population panic, bend the enemy's political leadership to the attacker's will, or to "punish" an enemy, while strategic in nature, is more correctly termed terror bombing.
[edit] Methods used to deliver ordnance
There are three basic methods used to deliver ordnance onto targets in a strategic bombing campaign. The first is by gravity-dropping large numbers of iron bombs or "dumb bombs", using strategic bombers. The second is through the use of more precise ordnance, precision-guided munitions (so-called smart bombs); cruise missiles fall into this category, though they are not always air-launched. The third method involves the use of nuclear ordnance, either onto a battlefield in a method similar to carpet bombing, or onto a strategic target, as with iron bombs in WW II. Although the deployment of nuclear weapons from aircraft falls into the category of strategic bombing, and likely represents the ultimate form of both strategic and terror bombing, the term strategic bombing is usually used in reference to the release of non-nuclear air-ground ordnance from strategic aircraft.
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Area attack by multiple bombers is based upon detailed calculations of the intended Damage Expectancy or "DE" directed by the Air Tasking Order (ATO) used in a military strategy. To achieve a particular DE, planners select a bomb type based on that particular weapon's damage mechanism - blast/fragmentation or incendiary, for example. Planners then calculate the Single Sortie Probability of Damage (SSPD) and extrapolate from there, adding sorties until the probability of damage meets or exceeds the required DE. As weapons have grown more precise, the need for mass formations dropping masses of bombs has decreased, and it is now possible for a single bomb to accomplish what in the past took many bombers. In fact, one B-52 can now drop a single bomb from many miles away that can be programmed to strike a target as small as a window or doorway from a chosen direction and at a preselected angle. This can focus the blast in a given direction and can dramatically reduce the risk of collateral damage to other buildings and consequent unintended civilian casualties.
Strategic bombing by multiple modern strategic bombers like the B-52 can be likened to an hour during the Somme bottled into a thirty-second time period. However, some believe this delivery method has been rather ineffective in attacking a nation's warmaking capability, due to the imprecise nature of the attack. Others cite the destruction of enemy infrastructure, resources expended on civil defense and physical protection of sites, and the reallocation of military resources away from the battlefield in order to staff response and air and ground antiaircraft assets as proof of its efficacy. In either case, the unintended mass civilian casualties, terror caused, and ethical questions raised draws adverse long-term attention to the morality of strategic bombing.
Carpet bombing, often confused with strategic bombing, is the use of strategic air assets for operational objectives in support of ground forces. Its use during Operation Cobra is the best-known example. Carpet bombing is viewed ambivalently by ground forces, due to the nigh-inevitable friendly casualties caused by bombers dropping their ordnance short of the aiming point, either through error or "bomb creep".[1]
The use of "smart" weapons is preferred by some nations for two reasons. First, it can be less devastating. Due to the greater accuracy (the smaller CEP) of precision guided weapons, there is less risk of civilian casualties. The second reason is the more-focused damage associated with precision weapons. Strategic bombing can destroy an entire block, but miss the vital components of a factory. Precision weapons can attack precise components of designated targets, increasing the likelihood of a successful attack. However, the 'shock' value of precision bombing is less severe than of area bombing. Unless multiple precision weapons are used, an enemy may seek cover or disperse to different parts of the targeted area. Additionally, area bombing can have an initial significant psychological effect, as the bombing of cities early in World War II terrified their citizens.
[edit] History and origins
[edit] World War I
Strategic bombing was first used in World War I, though it was not understood in its present form. The first strategic bombing mission of the war was likely the dropping of five bombs on the Gare L'Est train station in Paris on August 30, 1914. Within a year or so, specialized aircraft and dedicated bomber squadrons were in service on both sides. These were generally used for tactical bombing: the aim was that of directly harming enemy troops, strongpoints, or equipment, usually within a relatively small distance of the front line. Eventually, attention turned to the possibility of causing indirect harm to the enemy by systematically attacking vital rear-area resources.
The first-ever dirigible aerial bombardment of civilians was on January 19, 1915, in which two German Zeppelins dropped 24 fifty-kilogram (110 pound) high-explosive bombs and ineffective three-kilogram incendiaries on the Eastern England towns of Great Yarmouth, Sheringham, King's Lynn, and the surrounding villages. In all, four people were killed, sixteen injured, and monetary damage was estimated at £7,740 (about US$36,000 at the time). German dirigibles also bombed Liepaja in Latvia on the Eastern Front in January, 1915.
There were a further nineteen raids in 1915, in which 37 tons of bombs were dropped, killing 181 people and injuring 455. Raids continued in 1916. London was accidentally bombed in May, and, in July, the Kaiser allowed directed raids against urban centers. There were 23 airship raids in 1916, in which 125 tons of ordnance were dropped, killing 293 people and injuring 691. Gradually British air defenses improved. In 1917 and 1918, there were only 11 Zeppelin raids against England, and the final raid occurred on August 5, 1918, which resulted in the death of KK Peter Strasser, commander of the German Naval Airship Department. By the end of the war, 51 raids had been undertaken, in which 5,806 bombs were dropped, killing 557 people and injuring 1,358. The Zeppelin raids were complemented by the Gotha bomber, which was the first heavier-than-air bomber to be used for strategic bombing. It has been argued that the raids were effective far beyond the material damage caused, in diverting and hampering wartime production, and diverting twelve squadrons and over 10,000 men to air defenses.
The French army on June 15, 1915 attacked the German town of Karlsruhe, killing 29 civilians and wounding 58. Further raids followed until the Armistice in 1918.
In contrast, the British launched their own form of strategic bombing. At the start of the war, there were attacks by bombers of the Royal Navy Air Service (RNAS) against the Zeppelin production lines and their sheds at Cologne and Dusseldorf on September 22 and October 8, 1914. In late 1915, the order was given for attacks on German industrial targets and the 41st Wing was formed from units of the RNAS and Royal Flying Corps. The RNAS took to strategic bombing in bigger way than the RFC who were focussed on supporting the infantry actions of the Western Front. At first the RNAS attacked the German submarines in their moorings then steelworks further in targeting the origin of the submarines themselves.
In early 1918 they operated their "round the clock" bombing raid; with lighter bombs attacking the town of Trier by day and large HP O/400s attacking by night. In April 1918, the Independent Force was created, an expanded bombing group that by the end of the war had aircraft that could reach Berlin but were never used.
Following the war, the concept of strategic bombing developed. The calculations which were performed on the number of dead to the weight of bombs dropped would have a profound effect on the attitudes of the British authorities and population in the interwar years, because as bombers became larger it was fully expected that deaths from aerial bombardment would approach those anticipated in the Cold War from the use of nuclear weapons. The fear of aerial attack on such a scale was one of the fundamental driving forces of British appeasement in the 1930s.
[edit] Period between world wars
In the period between the two world wars, military thinkers from several nations advocated strategic bombing as the logical and obvious way to employ aircraft. Domestic political considerations saw to it that the British worked harder on the concept than most. The British Royal Flying Corps and Royal Naval Air Service of the Great War had been merged in 1918 to create a separate air force, which spent much of the following two decades fighting for survival in an environment of severe government spending constraints. Royal Air Force leaders, in particular Air Chief Marshal Hugh Trenchard, believed the key to retaining their independence from the senior services was to lay stress on what they saw as the unique ability of a modern air force to win wars by unaided strategic bombing. As the speed and altitude of bombers increased in proportion to fighter aircraft, the prevailing strategic understanding became "the bomber will always get through." Although anti-aircraft guns and fighter aircraft had proved effective in the Great War, it was accepted there was little warring nations could do to prevent massive civilian casualties from strategic bombing. High civilian morale and retaliation in kind were seen as the only answers. (A later generation would revisit this, as Mutual Assured Destruction.)
In Europe, the air power prophet General Giulio Douhet asserted the basic principle of strategic bombing was the offensive, and there was no defence against carpet bombing and poison gas attacks. Douhet's apocalyptic predictions found fertile soil in France, Germany, and the United States, where excerpts from his book The Command of the Air (1921) were published. These visions of cities laid waste by bombing also gripped the popular imagination and found expression in novels such as Douhet's The War of 19-- (1930) and H.G. Wells's The Shape of Things to Come (1933) (filmed by Alexander Korda as Things to Come (1936)).
Pre-war planners, on the whole, vastly over-estimated the damage bombers could do, and underestimated the resilience of civilian populations. The speed and altitude of modern bombers, and the difficulty of hitting a target while under attack from improved ground fire and fighters was not understood. Jingoistic national pride played a major role: for example, at a time when Germany was still disarmed and France was Britain's only European rival, Trenchard boasted, "the French in a bombing duel would probably squeal before we did".[2] At the time, the expectation was any new war would be brief and very savage. A British Cabinet planning document in 1938 predicted, if war with Germany broke out, 35% of British homes would be hit by bombs in the first three weeks. (This type of expectation should be kept in mind when considering the conduct of the European leaders who appeased Hitler in the late 1930s.)[3]
The theory was tested at Guernica and Guangzhou, where it produced international outrage, but not surrender of the opposing nation. It was more successful in Mesopotamia (modern-day Iraq) by RAF bombers using conventional bombs, gas bombs and aerial machine-gunning against civilian populations identified as engaging in guerrilla uprisings. Arthur Harris, a young RAF squadron commander (later nicknamed "Bomber"), reported after a mission in 1924, "The Arab and Kurd now know what real bombing means, in casualties and damage. They know that within 45 minutes a full-sized village can be practically wiped out and a third of its inhabitants killed or injured."[4] Bombing as a military strategy proved to be an effective and efficient way for the British to police their Middle East protectorates in the 1920s. Fewer men were required as compared to ground forces.[5]
[edit] World War II
The strategic bombing conducted in World War II was unlike anything the world had seen before. The campaigns conducted in Europe, in China and at the end of the war over Japan, could involve thousands of aircraft dropping tens of thousands of tonnes of munitions over a single city.
Strategic-bombing campaigns were conducted in Europe and Asia. The Germans and Japanese made use of mostly twin-engined bombers with a payload of approximately one ton, and never developed larger craft to any extent. By comparison, the British and Americans (who started the war with similarly-sized bombers and a few larger designs) developed their strategic force as one based upon much larger four-engined bombers for their strategic campaigns. The payload carried by these planes ranged from 2.7 tons for the B-17 Flying Fortress, to 9 tons for the B-29 Superfortress, with some specialty aircraft, such as the 'Special B' Avro Lancaster carrying an 11-ton (9,979 kg) Grand Slam bomb.
During the first year of the war in Europe, strategic bombing was developed through trial and error. The Luftwaffe had been attacking both civilian and military targets from the very first day of the war when Germany invaded Poland on 1 September 1939. A strategic bombing campaign was launched to break British morale and achieve a peace agreement after the proposed invasion of Great Britain was dropped. Initially, the raids took place in daylight, then changed to night bombing attacks when losses became unsustainable. The Royal Air Force took the same approach, attempting to break German morale, and also switched to night bombing due to excessive losses. The United States Army Air Forces adopted a policy of daylight bombing for greater accuracy as, for example, during the Schweinfurt raids. That decision entailed much higher American losses until long-range fighter escorts became available, when the original doctrine, bombers defending themselves with their own machineguns, proved inapt.
Strategic bombing was a way of taking the war into Europe while Allied ground forces were no closer to fighting Germans there than North Africa. Between them, the Allied air forces claimed to be able to bomb around the clock; in fact, no target was ever hit by British and American forces the same day, nor was there a coordinated plan for "round the clock" bombing on any target.
Even single missions have been considered to constitute strategic bombing. The British bombing of Peenemunde was such an event, as was the bombing of the Ruhr dams. The Peenemunde mission pushed back Nazi Germany's missile program until it became a case of too little, too late.
Strategic bombing in Europe never reached the decisive completeness the American campaign against Japan achieved, helped in part by the fragility of Japanese housing, which was particularly vulnerable to firebombing through the use of incendiary bombs. The destruction of German infrastructure became apparent, but the Allied campaign against Germany only really succeeded when the Allies began targeting oil refineries and transportation in the last year of the war. At the same time, strategic bombing of Germany was a morale boost to the Allies in the period before land war resumed on the Western front.
If the Imperial Japanese Navy Air Service and the Imperial Japanese Army Air Service frequently used strategic bombing over large Chinese cities such as Shanghai, Guangzhou, Nanjing and Chongqing, in the Pacific theatre, organized strategic bombing on a large scale by the Japanese seldom occurred. The Japanese army in most places advanced quickly enough a strategic bombing campaign was unnecessary. In those places where it was required, the smaller Japanese bombers (in comparison to British and American types) did not carry a bombload sufficient to inflict the sort of damage occurring daily at that point in the war in Europe, or later in Japan.
The development of the B-29 gave the United States a bomber with sufficient range to reach the Japanese Home Islands. The capture of the Japanese island of Iwo Jima further enhanced the capabilities the Americans possessed in their strategic bombing campaign. Conventional bombs and incendiary bombs were used against Japan to devastating effect.
[edit] Cold War
Nuclear weapons defined strategic bombing during the Cold War. The age of the massive strategic bombing campaign had come to an end. It was replaced with more precise attacks using improved sighting and weapon arming technology. Strategic bombing by the Great Powers also became politically unfeasible. The political fallout resulting from the destruction broadcast on the evening news ended more than one strategic bombing campaign.
In the Vietnam war, strategic bombing of North Vietnam in Operation Rolling Thunder could have been more extensive, but the fear of the Johnson Administration of an entry by China into the war (and a misapprehension of the nature and technique of strategic bombing) led to restrictions on the selection of targets, as well as only a gradual escalation of intensity. The aim of the bombing campaigns was to demoralize the North Vietnamese, damage their economy and reduce their capacity to support the war in the hope they would negotiate peace, but failed to have those effects. The Nixon Administration continued this sort of limited strategic bombing during the two Operation Linebacker campaigns. Images such as Kim Phuc Phan Thi (although this incident was the result of a close air support rather than strategic bombing) disturbed the American public enough to demand a stop to the bombardments.
Due to this, and the ineffectiveness of carpet bombing, partly because of a lack of identifiable targets, new precision weapons were developed. The new weapons allowed for more effective and more efficient bombing with reduced civilian casualties. High civilian casualties had always been the hallmark of strategic bombing, but later in the Cold War, this began to change.
The Israeli Air Force used strategic bombing during its brief but intense wars with its neighbors during the Six Day and Yom Kippur wars. Strategic bombing was entering a new phase of high intensity, specifically targeting factories which took years and millions of dollars to build.
The Israeli bombing of the Iraqi nuclear reactor at Osirak is another single-mission strategic bombing event. The single Israeli mission retarded the Iraqi ability to produce nuclear weapons by at least seven years.
[edit] Post-Cold War
Strategic bombing in the post Cold War era was defined by American advances in and use of smart munitions. Beginning in the First Gulf War, and then more markedly in the Kosovo War and the initial phases of the 2003 Invasion of Iraq, strategic bombing campaigns were notable for the heavy use of precision weaponry by the countries that possessed them. Although bombing campaigns were still strategic in their aims, the widespread carpet bombing tactics of World War II had mostly disappeared. This led to significantly fewer civilian casualties associated with previous conflicts, though it did not a bring about a complete end to civilian death or collateral damage.
Strategic bombing took on a more personal role, as strikes against individual leaders were considered, and approved, in the case of Saddam Hussein, or disapproved, in the case of Slobodan Milošević. The idea of destroying, or not destroying, a high-value personal target was not new. In World War II, the United States chose to avoid using nuclear bombs on cities where the Japanese emperor was known reside. There were even rumors during the Kosovo War strikes against one of Milošević's residences were held back due to the presence of an impressionist painting at the location.[citation needed] Cruise missiles and ballistic missiles (such as the Scud) have replaced strategic bombers to an extent (as they had begun to with the introduction of the V-2).
[edit] Technological advances
With the advent of precision-guided munitions, many feel that strategic bombing has become a viable military strategy. Exactly how precise precision munitions are is still open to question. However, others predict that 21st century warfare will more often be asymmetrical, and therefore viable strategic bombing options may not exist.
[edit] Strategic bombing events
Among the controversial instances of strategic bombing (and it should be noted that there is still significant controversy over whether all of these events even constitute strategic bombing, as opposed to other forms, such as terror bombing) are:
- Strategic bombing of "uncivilized tribes" during the British mandate of Iraq
- Spanish Civil War
- The Bombing of Guernica: the first aerial bombardment in history in which a civilian population was attacked with the apparent intent of producing total destruction.
- World War II
- The Japanese bombing of Wuhan
- The Japanese bombing of Chongqing
- The Japanese attack on Pearl Harbor
- The German bombing of Warsaw
- The German bombing of Rotterdam
- German attacks on the UK during The Blitz and afterwards, through the V-1 and V-2 attacks.
- The German bombing of Belgrade
- The German bombing of Moscow.
- Allied bombing of Berlin
- Allied bombing of Dresden
- Allied bombing of Hamburg
- Allied bombing of Milan.
- United States bombing of Tokyo
- United States bombing of Tokyo
- United States bombing of Kobe
- United States atomic bombings of Hiroshima and Nagasaki
- Vietnam war
- United States bombing of the Ho Chi Minh Trail
- United States bombing of Hanoi
- United States bombing of Cambodia
- Allied bombing of Iraq during the first Gulf War
- Strategic bombing of civilian targets in Iraq
- Yugoslav Wars (1991-1999)
- NATO bombing of Republika Srpska (1995) (Operation Deliberate Force)
- Kosovo War (1999)
- The 2003 invasion of Iraq
- Precision laser and GPS guided bombs were used extensively, not only to damage and destroy Saddam Hussein's army but also to damage infrastructure such as communications, power and various government buildings. The campaign moved into the asymmetric warfare once strategic targets no longer existed or were not viable for targeting.
[edit] Pioneers of strategic bombing
- Henry H. "Hap" Arnold, USAF
- Giulio Douhet, Regia Aeronautica (Italy)
- Arthur "Bomber" Harris, RAF
- Curtis LeMay, USAF
- Billy Mitchell, USAAC
- Carl Spaatz, USAF
- Hugh Trenchard, RAF
[edit] See also
- Air raid shelter
- Air raid siren
- Air raid precautions
- Airstrike
- Aerial bombing
- Aerial bombing of cities
- Area bombardment
- Carpet bombing
- Civilian deaths by aerial bombing
- Firebombing
- Strategic Bombing Survey
- Tactical bombing
- Terror bombing
[edit] References
- ^ Boyne, Walter J., Clash of Wings: World War II in the Air, Simon & Schuster, NY, 1994, pp.343-44.
- ^ Johnson, History of Air Fighting.
- ^ Johnson, History of Air Fighting.
- ^ Omissi, David. Air Power and Colonial Control: The Royal Air Force 1919-1939. Manchester University Press, 1990. ISBN 0719029600
- ^ Omissi, David. Air Power and Colonial Control: The Royal Air Force 1919-1939. Manchester University Press, 1990. ISBN 0719029600
[edit] Further reading
- Spaight. James M. "Bombing Vindicated" G. Bles, 1944. ASIN: B0007IVW7K (Spaight was Principal Assistant Secretary of the Air Ministry) (U.K)
