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Further substantiation came in June 1943, when a resourceful Luxembourger named Schwaben sent a sketch of the Peenemünde establishment to London in a microfilm through a network of agents known as the Famille Martin. This fitted well with the other reports that had been arriving, including eye-witness accounts and notes smuggled out from secret agents about activity at Peenemünde. The intelligence service kept meticulous records of the reports of vapour trails, explosions and occasional sightings that were relayed back to London from those witnesses who were anxious to see an end to Nazi tyranny. Churchill appointed his son-in-law, Duncan Sandys MP, to head a committee to look further into the matter and on 12 June 1943 an RAF reconnaissance mission was sent to fly over the site at high altitude and bring back the first images of what could be seen at Peenemünde. The unmistakable sight of rockets casting shadows across the ground could be picked out in the images. Measurements suggested to the British that the rocket was about 38ft (11.5m) long, 6ft (1.8m) in diameter and had tail fins. The intelligence report estimated the mass of each rocket must be between 40 and 80 tons. It was guessed that there might be 5 or 10 tons of explosives aboard.
This was partly right, and partly a gross exaggeration. The V-2 was actually 46ft (14m) long and 5ft 5in (1.65m) in diameter, so the measurements calculated by the British were reasonable estimates. But the weight of the missile was wildly over-estimated – rather than 40 tons or more, it weighed just under 13 tons and carried 2,200lb (980kg) of explosive rather than ‘up to 10 tons’ of the British estimates. A ‘rough outline’ drawing of the rocket was prepared for this report and it looks more like a torpedo. Perhaps the missile as drawn lacked its 7.5ft (2.3m) warhead nose cone. In that case, the dimensions were surprisingly accurate – though there is no accounting for the gross over-calculation of the weight.
Although the guesswork about the rocket’s weight was wrong, the comments that R. V. Jones added to the secret intelligence report of 26 June 1943 show a remarkably clear analysis of Germany’s position at the time.
The evidence shows that … the Germans have for some time been developing a long range rocket at Peenemünde. Provided that the Germans are satisfied with Peenemünde’s security, there is no reason to assume the existence of a rival establishment, unless the latter has arisen from inter-departmental jealousy.
Almost every report points to the fact that development can hardly have reached maturity, although it has been proceeding for some time. If, as appears, only three rockets were fired in the last three months of 1942, with two unsuccessful, the Germans just then have been some way from success and production.
At least three sorties over Peenemünde have now shown one and only one rocket visible in the entire establishment and one sortie has perhaps shown two. Supposing that the rockets have been accidentally left out in the open or because the inside storage is full, then the chances are that the rocket population is less than, say, twenty. If it were much greater, then it would be an extraordinary chance that this number should always be one greater than storage capacity. Therefore the number of rockets at Peenemünde is small, and since this is the main seat of development, the number of rockets in the Reich is also likely to be relatively small…
Since the long range rocket can hardly have reached maturity, German technicians would probably prefer to wait until their designs were more complete. If, as seems very possible, the genius of the Führer prevails over the judgement of the technicians, then despite everything the rocket will shortly be brought into use in its premature form.
Jones drew this conclusion: ‘The present population of rockets is probably small, so that the rate of bombardment [of London] would not be high. The only immediate counter measure readily apparent is to bomb the establishment at Peenemünde.’
Jones was right, and plans for a massive bombing raid began at once. Three days later, on 29 June 1943, a meeting was convened at the Cabinet War Room at which Duncan Sandys revealed the contents of the photographs. He had short-circuited R. V. Jones’s connections with the photo labs and insisted that they all be sent first to him. One of those attending the meeting was Professor Frederick Lindemann, Viscount Cherwell, who immediately poured scorn on the idea of a rocket base. Lindemann was a German-born physicist and Churchill’s chief scientific adviser. He said at the meeting that a rocket weighing up to 80 tons was absurd. The rockets, he insisted, were an elaborate sham; the Germans had mocked them up to frighten the British and lead them on a false trail. It was nothing but an elaborate cover plan. After his analysis, which left the officials in the room sensing that a dreadful mistake was being made, Churchill turned to R. V. Jones and said that they would now hear the truth of the matter. Jones was crisp and to the point. Whatever might be the remaining questions over the details of these missiles, said Jones, it was clear to him that the rockets were real – and they posed a threat to Britain. The site must be destroyed. The idea of sending further reconnaissance flights was quickly dismissed, for it could alert the Germans to the fact that the Allies had discovered the site.
Peenemünde was too far away to be in contact by radio, and out of range of the fighters; so the Allied bombers would be completely unprotected. German fighters would soon be on the scene, and heavy Allied losses were likely. The conclusion was that the heaviest bombing would be arranged, and it would take place on the first night that meteorological conditions were suitable. The attack was code named Operation Hydra.
Operation Hydra
On 8 July 1943 Hitler was shown an Agfacolor film of the launch of a V-2 and was finally convinced that the monster rocket could win him back the advantage. Having been sceptical, Hitler was now an enthusiastic supporter. He immediately decided that new launch bases would be needed across the northern coast of continental Europe in order to maximize the range of the rockets and the number of launches that Germany could make against Britain. He also ordered that the production of the V-2 was now to be made a top priority. Hitler believed that with these rockets he could turn the tide of war against the Allies. The Germans were busy working to comply with orders to construct a production line at the Peenemünde Army Research base just as the Royal Air Force was instructed to launch Operation Hydra to destroy the establishment.
The planning of Operation Hydra was meticulous. Bombing would be carried out from 9,000ft (about 3,000m; normally bombing raids were from twice as high), and practice runs over suitable stretches of British coastline were quickly arranged. The accuracy improved greatly during the practice sessions, an error of up to about 1,000 yards (900m) improving to 300 yards (270m). None of the aircrew were told the true nature of their target; they were informed that the installation was a new radar establishment that had to be destroyed urgently. By way of encouragement to be thorough on the first raid, they were also told that repeat attacks would be made, regardless of the losses, if they did not succeed first time. Meanwhile, a decoy raid was arranged, code named Operation Whitebait. Mosquito aircraft were to be sent to bomb Berlin prior to the raid on Peenemünde in the hope of attracting German fighters to the area. Further squadrons were meanwhile sent to attack nearby Luftwaffe airfields to prevent German fighters taking to the air over Peenemünde. As the attack began, a master bomber, Group Captain J. H. Searby, would circle around the target to call in successive waves of bombers.
On the night of 17 August 1943 there was a full moon, and the skies were clear. At midnight the raid began, and within half an hour the first wave was heading for home. Over the target, however, there was some light cloud and the accuracy of the first bombs was poor. Guns from the ground were returning fire, and a ship off-shore brought flak to bear on the bombers, but no fighters were seen. The second wave of Lancasters was directed at the factory workshops and then at 12.48am the third and final wave attacked the experimental workshops. This group of Lancaster and Halifax bombers overshot the target and most dropped their bombs half a minute late, so their bombs landed in the camp where conscripted workers were imprisoned. By this time German fighter aircraft were arriving, but they were late and losses to the British bombers were less than 7 per cent.
However, the laboratories and test rigs were damaged – and the Germans now knew, with dramatic suddenness, that their elaborate plans were known to the Allies. On the brink of realization, the plans to manufacture the V-2 at Peenemünde had to be abandoned. The Germans decided to fool the Allies into thinking that they had caused irreparable damage, so they immediately dug dummy ‘bomb craters’ all over the site, and painted black and grey lines across the roofs to look like fire-blackened beams. Their intention was to fool any reconnaissance flights into believing the damage was much worse than it was, thus convincing the British that further raids were unnecessary. The British still had one further element of retaliation, however; a number of the bombs were fitted with time delay fuses and exploded randomly for several days after the raid. They did not cause much material damage, but the continued detonations delayed the Germans from setting out to move equipment from the site.
The move to Poland
As the Germans sought to recover what they could from Peenemünde, the top-secret development work on the V-2 was immediately transferred to the SS training base near Blizna, deep inside Poland, where it would be undetected by the British and less easily reached by air. Meanwhile, a launch site at Watten, near the coast of northern France, had already been selected as a V-2 base. Work had started in April 1943 and was duly reported to the British by agents of the French resistance. Dörnberger had long recognized that a V-2 could be launched from a small site – it would be a case of ‘shoot and run’. But after the raid on Peenemünde, Hitler decided that further major new launch and storage sites were the prime requirement. At d’Helfaut Wizernes, a site inland from Calais in northern France, they constructed a huge reinforced concrete dome, La Coupole, within a limestone quarry. The idea was to store the rockets within reinforced bomb-proof concrete chambers and bring them out for firing in quick succession. In May 1943 reconnaissance photographs disclosed details of the work, and by the end of the month bombing raids had been sent to the site. The timing of the bombing was set to coincide with freshly laid cement, so that the ruins would harden into a chaotic jumble that would be difficult for the Germans to repair. Repeated bombing by the Allies led to the idea being abandoned. The V-2 bombardment was then carried out from small scattered sites, as Dörnberger had always envisaged. The vast German bunkers were never fully operational, and they stand to this day as a World War II museum.
After the raid on Peenemünde, the main manufacture of the V-2 rockets was transferred to the Mittelwerk in Kohnstein. The rockets were manufactured by prisoners from Mittelbau-Dora, a concentration camp where an estimated 20,000 people died during World War II. A total of 9,000 of these were reported to have died from exhaustion, 350 were executed – including 200 accused of sabotage – and most of the rest were eventually shot, died from disease, or starved. By the war’s end, they had constructed a total of 5,200 V-2 rockets. On 29 August 1944 Hitler ordered V-2 attacks to commence with immediate effect. The offensive started on 8 September 1944 when a rocket was aimed at Paris. It exploded in the city, causing damage at the Porte d’Italie. Another rocket was launched the same day from The Hague, Netherlands, and hit London at 6.43pm. It exploded in Staveley Road, Chiswick, killing Sapper Bernard Browning who was on leave from the Royal Engineers. A resident, 63-year-old Mrs Ada Harrison, and three-year-old Rosemary Clarke also perished in the blast. Intermittent launches against London increased in frequency, though the Germans did not officially announce the bombardment until 8 November 1944. Until then, every time a V-2 exploded in Britain the authorities insisted it was a gas main that had burst; but with the German announcement the truth had to emerge. Two days later, Churchill confessed to the House of Commons that England had been under rocket attack ‘for the last few weeks’.
Over several months more than 3,000 V-2s were fired by the Germans. Around 1,610 of them hit Antwerp; 1,358 landed on London, and additional rockets were fired into Liege, Hasselt, Tournai, Mons, Diest, Lille, Paris, Tourcoing, Remagen, Maastricht, Arras and Cambrai on continental Europe. In Britain, Norwich and Ipswich also suffered occasional V-2 attacks. The accuracy of the rockets increased steadily, and some of them impacted within a few yards of the intended target. The fatalities were sometimes alarming. On 25 November 1944 a V-2 impacted at a Woolworths store in New Cross, London, where it killed 160 civilians and seriously injured 108 more. Another attack on a cinema in Antwerp killed 567 people. This was the worst loss of life in a single V-2 attack.
The V-2 falls into Allied hands
The Allies were receiving regular intelligence reports about the rockets, but knew little of the precise design details until a V-2 was retrieved from Sweden and examined in detail. On 13 June 1944, a V-2 on a test flight from Peenemünde exploded several thousand feet above the Swedish town of Bäckebo. The wreckage was collected by the Swedes and offered to the British for reconstruction. Officially neutral, Sweden was also secretly supplying the German weapons factories with up to 10,000,000 tons of iron ore per year. To maintain their ostensibly neutral stance, the Swedes asked for some British Supermarine Spitfire fighter aircraft in exchange. In August 1944 reconstruction of the rocket was begun, and the resulting insight into the construction of the missile was highly revealing to the Allies. As it happens, this particular rocket was fitted with a guidance system that was never installed on the rockets raining down on Britain, and so the British were more impressed with the technology than they might otherwise have been. Yet the fact remained: although the design of the V-2 was now thoroughly understood, it was abundantly clear there was no defence against them. These weapons arrived at supersonic speeds, so there could be no advance warning and it seemed as though there was nothing that could be done to resist the onslaught.
Or was there? The resourceful officers at British Intelligence had a simple response. Because the area of damage was small, they began releasing fictitious reports that the rockets were over-shooting their targets by between 10 and 20 miles (16 to 32km). As soon as these covert messages were intercepted by the Germans, the launch teams recalibrated the launch trajectory to make good the discrepancy … and from then on, the rockets fell some 20 miles short of their target, most of them landing in Kent instead of central London. The final two rockets exploded on 27 March 1945 and one of these was the last to kill a British civilian. She was Mrs Ivy Millichamp, aged 34, who was blown apart by the V-2 at her home in Kynaston Road, Orpington in the county of Kent, just 20 miles from the centre of London.
As the V-2 was proving the reliability of the ballistic missile, larger rockets were soon on the drawing-board. The A-9 was envisaged as a rocket with a range of up to 500 miles (800km) and an A-10 was planned to act as a first-stage booster that could extend the range to reach the United States. The original development work had been undertaken in 1940, with a first flight date set for 1946, but the project – as so often happened – was summarily stopped. When the so-called Projekt Amerika re-emerged in 1944, work was resumed, and the A-11 was planned as a huge first stage that would carry the A-9 and A-10. The plans (which were released in 1946 by the United States Army) were for a rocket that could even place a payload of some 660lb (300kg) into orbit. The proposed A-12 fourth stage would have a launch weight of 3,500 tons and could place 10 tons into orbit. In the event, all these plans were to fall into Allied hands as the European war drew to a close. During the spring of 1945 the Allies advanced from the west, and the Russians closed in from the east. When news reached Peenemünde that the Soviet Army was only about 100 miles (160km) away, Von Braun assembled the planning staff and broke the news. It was time to decide by which army they would be captured. All knew that the world would regard them as war criminals, and the decisions were not easy.
The dreadful destruction and the mass killings reported early in the campaign make the V-2 seem like a terrifyingly successful rocket, but was it really valuable as a weapon of war? Let us look at the figures. It has been estimated that 2,754 civilians were killed in Britain by the 1,402 V-2 attacks. A further people 6,523 were injured. These simple facts reveal that the V-2, as a weapon of war, was a costly failure. Each of these incredibly expensive and complex missiles killed about two people, and injured roughly six more, indeed it has been calculated that more casualties were caused by the manufacture of the V-2 than resulted from its use in war. The reality was that they were inefficient in terms of killing the enemy – but they had proved how successful they were as rockets. Von Braun had always wanted to build rockets, and had held in his heart the ultimate ambition of building a space rocket. The Nazis held onto the propaganda value of their successful launch series, even though remarkably few people were being killed by the V-2 attacks. The Nazis had been used by Von Braun to fund his private ambitions; Hitler’s doubts about the V-2 as an agent of warfare were right after all.
One of the first initiatives after the Allies invaded Peenemünde was to test the V-2 rockets before any were moved to other countries. In October 1945, the British Operation Backfire fired several V-2 rockets from northern Germany. There were many reports of what became known as ‘ghost rockets’, unaccountable sightings of missile trails in the skies above Scandinavia. These were from Operation Backfire: not only did the Nazis fire their monster rockets from Germany, so too did the British.