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80 Years Ago Today; 'The Hardest Day' over England as the Luftwaffe throws everything at the RAF
(Spoiler: it didn't work)
https://en.wikipedia.org/wiki/The_Hardest_Day
The Hardest Day is a Second World War air battle fought on 18 August 1940 during the Battle of Britain between the German Luftwaffe and British Royal Air Force (RAF). On that day, the Luftwaffe made an all-out effort to destroy RAF Fighter Command. The air battles that took place on that day were amongst the largest aerial engagements in history to that time. Both sides suffered heavy losses. In the air, the British shot down twice as many Luftwaffe aircraft as they lost. However, many RAF aircraft were destroyed on the ground, equalising the total losses of both sides. Further large and costly aerial battles took place after 18 August, but both sides lost more aircraft combined on this day than at any other point during the campaign, including 15 September, the Battle of Britain Day, generally considered the climax of the fighting. For this reason, 18 August 1940 became known as "the Hardest Day" in Britain.
By June 1940, the Allies had been defeated in Western Europe and Scandinavia. After Britain rejected peace overtures, Adolf Hitler issued Directive No. 16, ordering the invasion of the United Kingdom. The invasion of the United Kingdom was codenamed Operation Sea Lion (Unternehmen Seelöwe). However, before this could be carried out, air supremacy or air superiority was required to prevent the RAF from attacking the invasion fleet or providing protection for any attempt by the Royal Navy's Home Fleet to intercept a landing by sea. Hitler ordered the Luftwaffe's commander-in-chief, Reichsmarschall Hermann Göring, and the Oberkommando der Luftwaffe (High Command of the Air Force) to prepare for this task.
Air observer
The primary target was RAF Fighter Command. In July 1940, the Luftwaffe began military operations to destroy the RAF. Throughout July and early August, the Germans targeted convoys in the English Channel and occasionally RAF airfields. On 13 August, a major German effort, known as Adlertag (Eagle Day), was made against RAF airfields, but failed. The failure did not deter the Germans from persisting with air raids against the RAF or its infrastructure. Five days later came the Hardest Day.
<snip>
Outcome
British Radar coverage over Britain and Northern France. The system was resilient.
German target selection was sound on The Hardest Day. There were four means open to the Luftwaffe for destroying Fighter Command; bombing airfields; destroying the command, control system and radar stations; and attacking aircraft factories producing fighter aircraft.
Luftflotte 2 was well used in this way. Operations against Kenley, Biggin Hill, North Weald and Hornchurch had the potential to destroy 11 Group's major sector stations and impair its defences. It would also draw the defending fighters into battle. The attempt to attack Kenley, however, failed and 9 Staffel KG 76 paid a high price. The weather prevented any chance of the raids on Hornchurch and North Weald being successful. On the other hand, Luftflotte 3 had poor intelligence, and its raids on the radar stations were ineffective. Radar elimination would enable the Luftwaffe to destroy the command and control system of Fighter Command, but despite the severe damage done to the Poling station, the existence of other stations nearby gave the system plenty of cover. The airfields the Air Fleet attacked at Ford, Gosport and Thorney Island had nothing to do with the main battle as they belonged to Coastal Command and the FAA. Sperrle and his command remained unaware of their errors in intelligence.
The tactical handling of Luftflotte 3 was not good either. The escorting fighters of StG 77 were stretched too far across a 30-mile front. By chance half of the defending fighters went into action against one of the attacking Ju 87 groups with disastrous results for the group concerned. The German fighters, which outnumbered the RAF units by 2:1, were unable to protect the Stuka units. Had the targets been closer together, the concentration of fighters would have allowed the Germans to destroy more RAF fighters in the air, while protecting their charges.
Considering the weight of attack against airfields, hardly any fighters were destroyed on the ground. Figures indicated just two Spitfires and six Hurricanes were lost in this manner. The main reason for this was the high state of readiness of RAF units during daylight. The command depended on radar and the Observer Corps warning them in advance, giving them plenty of time to get airborne. The successful strafing attack by Bf 109s of JG 52 on Manston depended on a combination of circumstances and chance which did not occur often during the battle.
The attacks on airfields, on this day and throughout the battle, did not cause any real danger to RAF Fighter Command. Biggin Hill was never out of service during the Battle of Britain, and Kenley was out of action for only two hours on 18 August. German medium bombers, usually sent in waves of 50, could carry between 60 and 85 tons of bombs. But this was not enough to destroy an airfield. If the airfield's hangars and buildings were destroyed, work on aircraft could be done in the open in summer periods. Should the craters become too troublesome, RAF units could move to another field, not necessarily an airfield, and operate fighters on it, provided it was 700 yards long and 100 yards wide to allow for operations. The vulnerable operations buildings on some airfields were hidden underground. One flaw was the vulnerability of operations rooms. At Kenley and Biggin the sector operations buildings were above ground, but they were difficult to hit even had the Luftwaffe known their location. Vital communications (telephone cables) were buried underground, making them vulnerable only to an accidental direct hit.
Attacking and destroying the radar chain was also difficult. The stations were indeed vulnerable to dive bombers and low flying aircraft, however the British had mobile units which could be moved around to cover any gaps. Rapid repair services were also quick. Rarely were radar stations out of action for more than a few days.
A last option was to attack fighter factories, which was not attempted on 18 August. Only the Spitfire factory at Southampton and the Hawker factory in Surrey were within range of escorted bombers. Without the Bf 109s, the bombers would suffer heavy casualties attempting to attack factories further north in daylight. Still, the attacks on the southern factories would require large concentrations of bombers and fighters which would be powerful enough to destroy them without sustaining heavy losses.
Overall, each side suffered more losses on this date than on any other day during the Battle of Britain. In terms of the outcome, the battle does not appear to have been strategically favourable to either side. The loss rates were in the British favour, but both air forces had sustained a level of attrition they could not support for long. Historian Alfred Price:
The laurels for the day’s action went to the defenders. The aim of the Luftwaffe was to wear down the Fighter Command without suffering excessive losses in the process, and in this it had failed. It cost the attackers five aircrew killed, wounded, or taken prisoner, for each British pilot casualty. In terms of aircraft, it had cost the Luftwaffe five bombers and fighters for every three Spitfires and Hurricanes destroyed in the air or on the ground. If the battle continued at this rate the Luftwaffe would wreck Fighter Command, but it would come close to wrecking itself in the process.
Junkers Ju 87 Stuka about to crash. Unteroffizer August Dann and Unteroffizer Erich Kohl were killed.
</snip>
The Hardest Day is a Second World War air battle fought on 18 August 1940 during the Battle of Britain between the German Luftwaffe and British Royal Air Force (RAF). On that day, the Luftwaffe made an all-out effort to destroy RAF Fighter Command. The air battles that took place on that day were amongst the largest aerial engagements in history to that time. Both sides suffered heavy losses. In the air, the British shot down twice as many Luftwaffe aircraft as they lost. However, many RAF aircraft were destroyed on the ground, equalising the total losses of both sides. Further large and costly aerial battles took place after 18 August, but both sides lost more aircraft combined on this day than at any other point during the campaign, including 15 September, the Battle of Britain Day, generally considered the climax of the fighting. For this reason, 18 August 1940 became known as "the Hardest Day" in Britain.
By June 1940, the Allies had been defeated in Western Europe and Scandinavia. After Britain rejected peace overtures, Adolf Hitler issued Directive No. 16, ordering the invasion of the United Kingdom. The invasion of the United Kingdom was codenamed Operation Sea Lion (Unternehmen Seelöwe). However, before this could be carried out, air supremacy or air superiority was required to prevent the RAF from attacking the invasion fleet or providing protection for any attempt by the Royal Navy's Home Fleet to intercept a landing by sea. Hitler ordered the Luftwaffe's commander-in-chief, Reichsmarschall Hermann Göring, and the Oberkommando der Luftwaffe (High Command of the Air Force) to prepare for this task.
Air observer
The primary target was RAF Fighter Command. In July 1940, the Luftwaffe began military operations to destroy the RAF. Throughout July and early August, the Germans targeted convoys in the English Channel and occasionally RAF airfields. On 13 August, a major German effort, known as Adlertag (Eagle Day), was made against RAF airfields, but failed. The failure did not deter the Germans from persisting with air raids against the RAF or its infrastructure. Five days later came the Hardest Day.
<snip>
Outcome
British Radar coverage over Britain and Northern France. The system was resilient.
German target selection was sound on The Hardest Day. There were four means open to the Luftwaffe for destroying Fighter Command; bombing airfields; destroying the command, control system and radar stations; and attacking aircraft factories producing fighter aircraft.
Luftflotte 2 was well used in this way. Operations against Kenley, Biggin Hill, North Weald and Hornchurch had the potential to destroy 11 Group's major sector stations and impair its defences. It would also draw the defending fighters into battle. The attempt to attack Kenley, however, failed and 9 Staffel KG 76 paid a high price. The weather prevented any chance of the raids on Hornchurch and North Weald being successful. On the other hand, Luftflotte 3 had poor intelligence, and its raids on the radar stations were ineffective. Radar elimination would enable the Luftwaffe to destroy the command and control system of Fighter Command, but despite the severe damage done to the Poling station, the existence of other stations nearby gave the system plenty of cover. The airfields the Air Fleet attacked at Ford, Gosport and Thorney Island had nothing to do with the main battle as they belonged to Coastal Command and the FAA. Sperrle and his command remained unaware of their errors in intelligence.
The tactical handling of Luftflotte 3 was not good either. The escorting fighters of StG 77 were stretched too far across a 30-mile front. By chance half of the defending fighters went into action against one of the attacking Ju 87 groups with disastrous results for the group concerned. The German fighters, which outnumbered the RAF units by 2:1, were unable to protect the Stuka units. Had the targets been closer together, the concentration of fighters would have allowed the Germans to destroy more RAF fighters in the air, while protecting their charges.
Considering the weight of attack against airfields, hardly any fighters were destroyed on the ground. Figures indicated just two Spitfires and six Hurricanes were lost in this manner. The main reason for this was the high state of readiness of RAF units during daylight. The command depended on radar and the Observer Corps warning them in advance, giving them plenty of time to get airborne. The successful strafing attack by Bf 109s of JG 52 on Manston depended on a combination of circumstances and chance which did not occur often during the battle.
The attacks on airfields, on this day and throughout the battle, did not cause any real danger to RAF Fighter Command. Biggin Hill was never out of service during the Battle of Britain, and Kenley was out of action for only two hours on 18 August. German medium bombers, usually sent in waves of 50, could carry between 60 and 85 tons of bombs. But this was not enough to destroy an airfield. If the airfield's hangars and buildings were destroyed, work on aircraft could be done in the open in summer periods. Should the craters become too troublesome, RAF units could move to another field, not necessarily an airfield, and operate fighters on it, provided it was 700 yards long and 100 yards wide to allow for operations. The vulnerable operations buildings on some airfields were hidden underground. One flaw was the vulnerability of operations rooms. At Kenley and Biggin the sector operations buildings were above ground, but they were difficult to hit even had the Luftwaffe known their location. Vital communications (telephone cables) were buried underground, making them vulnerable only to an accidental direct hit.
Attacking and destroying the radar chain was also difficult. The stations were indeed vulnerable to dive bombers and low flying aircraft, however the British had mobile units which could be moved around to cover any gaps. Rapid repair services were also quick. Rarely were radar stations out of action for more than a few days.
A last option was to attack fighter factories, which was not attempted on 18 August. Only the Spitfire factory at Southampton and the Hawker factory in Surrey were within range of escorted bombers. Without the Bf 109s, the bombers would suffer heavy casualties attempting to attack factories further north in daylight. Still, the attacks on the southern factories would require large concentrations of bombers and fighters which would be powerful enough to destroy them without sustaining heavy losses.
Overall, each side suffered more losses on this date than on any other day during the Battle of Britain. In terms of the outcome, the battle does not appear to have been strategically favourable to either side. The loss rates were in the British favour, but both air forces had sustained a level of attrition they could not support for long. Historian Alfred Price:
The laurels for the day’s action went to the defenders. The aim of the Luftwaffe was to wear down the Fighter Command without suffering excessive losses in the process, and in this it had failed. It cost the attackers five aircrew killed, wounded, or taken prisoner, for each British pilot casualty. In terms of aircraft, it had cost the Luftwaffe five bombers and fighters for every three Spitfires and Hurricanes destroyed in the air or on the ground. If the battle continued at this rate the Luftwaffe would wreck Fighter Command, but it would come close to wrecking itself in the process.
Junkers Ju 87 Stuka about to crash. Unteroffizer August Dann and Unteroffizer Erich Kohl were killed.
</snip>
To The Few.
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