Battle of Crete
Axis invasion of Crete during World War II / From Wikipedia, the free encyclopedia
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The Battle of Crete (German: Luftlandeschlacht um Kreta, Greek: Μάχη της Κρήτης), codenamed Operation Mercury (German: Unternehmen Merkur), was a major Axis airborne and amphibious operation during World War II to capture the island of Crete. It began on the morning of 20 May 1941, with multiple German airborne landings on Crete. Greek and other Allied forces, along with Cretan civilians, defended the island.[11] After only one day of fighting, the Germans had suffered heavy casualties and the Allied troops were confident that they would defeat the invasion. The next day, through communication failures, Allied tactical hesitation, and German offensive operations, Maleme Airfield in western Crete fell, enabling the Germans to land reinforcements and overwhelm the defensive positions on the north of the island. Allied forces withdrew to the south coast. More than half were evacuated by the British Royal Navy and the remainder surrendered or joined the Cretan resistance. The defence of Crete evolved into a costly naval engagement; by the end of the campaign the Royal Navy's eastern Mediterranean strength had been reduced to only two battleships and three cruisers.[12]
Battle of Crete | |||||||||
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Part of the Battle of Greece and the Mediterranean theatre | |||||||||
German Fallschirmjäger landing on Crete, May 1941 | |||||||||
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Belligerents | |||||||||
New Zealand Greece United Kingdom Australia |
Germany Italy | ||||||||
Commanders and leaders | |||||||||
Bernard C. Freyberg |
Kurt Student Walter Koch Francesco Mimbelli | ||||||||
Strength | |||||||||
United Kingdom: 18,047[1][a] Greece: 10,258[1] – 11,451[2] New Zealand: 7,702[1] Australia: 6,540[1] Total: 42,547[1] |
Germany: 22,000 paratroopers and mountain troops[3] 280 bombers 150 dive bombers 180 fighters 500 transports 80 troop gliders Italy: 2,700 | ||||||||
Casualties and losses | |||||||||
British Commonwealth[4] 3,579+ killed and missing 1,918 wounded 12,254 captured Greece[5] 544+ killed and missing 5,225 captured Material: Royal Navy:[6][b] 12 fleet and 7 auxiliary ships sunk, 22 damaged Royal Air Force: 21 aircraft shot down 12 aircraft destroyed on ground Total: ~23,000 total casualties[7] 4,000 to 6,000 killed[8] (4,000 ground troops, 2,000 sailors) | |||||||||
Over 500 Greek civilians executed by Axis soldiers. |
The Battle of Crete was the first occasion where Fallschirmjäger (German paratroops) were used en masse, the first mainly airborne invasion in military history, the first time the Allies made significant use of intelligence from decrypted German messages from the Enigma machine,[13][14] and the first time German troops encountered mass resistance from a civilian population.[15] Due to the number of casualties and the belief that airborne forces no longer had the advantage of surprise, Adolf Hitler became reluctant to authorise further large airborne operations, preferring instead to employ paratroopers as ground troops.[16] In contrast, the Allies were impressed by the potential of paratroopers and started to form airborne-assault and airfield-defence regiments.
British forces had initially garrisoned Crete when the Italians attacked Greece on 28 October 1940,[17] enabling the Greek government to employ the Fifth Cretan Division in the mainland campaign.[18] This arrangement suited the British: Crete could provide the Royal Navy with excellent harbours in the eastern Mediterranean, from which it could threaten the Axis south-eastern flank,[19] and the Ploiești oil fields in Romania would be within range of British bombers based on the island.
The Italians were repulsed, but the subsequent German invasion of April 1941 (Operation Marita), succeeded in overrunning mainland Greece. At the end of the month, 57,000 Allied troops were evacuated by the Royal Navy. Some were sent to Crete to bolster its garrison until fresh forces could be organised, although most had lost their heavy equipment.[20] Winston Churchill, the British Prime Minister, sent a telegram to the Chief of the Imperial General Staff, General Sir John Dill: "To lose Crete because we had not sufficient bulk of forces there would be a crime."[21]
The German Army High Command (Oberkommando des Heeres, OKH) was preoccupied with Operation Barbarossa, the invasion of the Soviet Union, and was largely opposed to a German attack on Crete.[22] However, Hitler remained concerned about attacks in other theatres, in particular on his Romanian fuel supply,[18] and Luftwaffe commanders were enthusiastic about the idea of seizing Crete by a daring airborne attack.[23] The desire to regain prestige after their defeat by the Royal Air Force (RAF) in the Battle of Britain the year before, may also have played a role in their thinking, especially before the advent of the much more important invasion of the Soviet Union.[24] Hitler was won over by the audacious proposal and in Directive 31 he asserted that "Crete... will be the operational base from which to carry on the air war in the Eastern Mediterranean, in co-ordination with the situation in North Africa."[25] The directive also stated that the operation was to be in May[24] and must not be allowed to interfere with the planned campaign against the Soviet Union.[24] Before the invasion, the Germans conducted a bombing campaign to establish air superiority and forced the RAF to move its remaining aeroplanes to Alexandria in Egypt.[26]
Order of battle
Allied forces
No RAF units were based permanently at Crete until April 1941, but airfield construction had begun, radar sites had been built and stores delivered. Equipment was scarce in the Mediterranean and in the backwater of Crete. The British forces had seven commanders in seven months. In early April, airfields at Maleme and Heraklion and the landing strip at Rethymno on the north coast were ready and another strip at Pediada-Kastelli was nearly finished. After the German invasion of Greece, the role of the Crete garrison changed from the defence of a naval anchorage to preparing to repel an invasion. On 17 April, Group Captain George Beamish was appointed Senior Air Officer, Crete, taking over from a flight-lieutenant whose duties and instructions had been only vaguely defined. Beamish was ordered to prepare the reception of the Bristol Blenheim bombers of 30 and 203 Squadrons from Egypt and the remaining fighter aircraft from Greece, to cover the evacuation of W Force, which enabled the transfer of 25,000 British and Dominion troops to the island, preparatory to their relief by fresh troops from Egypt.[27]
The navy tried to deliver 27,000 long tons (27,000 t) of supplies from 1–20 May 1941, but Luftwaffe attacks forced most ships to turn back, and only 2,700 long tons (2,700 t) were delivered. Only about 3,500 trained British and Greek soldiers were on the island, and the defence devolved to the shaken and poorly equipped troops from Greece, assisted by the last fighters of 33, 80 and 112 Squadrons and a squadron of the Fleet Air Arm, once the Blenheims were ordered back to Egypt. In mid-May, the four squadrons had about two dozen aircraft, of which only about twelve were serviceable due to a lack of tools and spares. The unfinished ground at Pediada-Kastelli was blocked with trenches and heaps of soil and all but narrow flight paths were blocked at Heraklion and Rethymno by barrels full of earth. At Maleme, blast pens were built for the aircraft, and barrels full of petrol were kept ready to be ignited by machine-gun fire. Around each ground, a few field guns, anti-aircraft guns, two infantry tanks and two or three light tanks were sited. The three areas were made into independent sectors, but there were only eight QF 3-inch and twenty Bofors 40 mm anti-aircraft guns.[28]
On 30 April 1941, Major-General Bernard Freyberg VC a New Zealand Army officer, was appointed commander of the Allied forces on Crete (Creforce).[29] By May, the Greek forces consisted of approximately 9,000 troops: three battalions of the 5th Greek Division, which had been left behind when the rest of the unit had been transferred to the mainland against the German invasion; the Cretan Gendarmerie (2.500 men); the Heraklion Garrison Battalion, a defence unit made up mostly of transport and supply personnel; and remnants of the 12th and 20th Greek Divisions, which had also escaped from the mainland to Crete and were organised under British command. Cadets from the Gendarmerie academy and recruits from Greek training centres in the Peloponnese had been transferred to Crete to replace the trained soldiers sent to fight on the mainland. These troops were already organised into numbered recruit training regiments, and it was decided to use this structure to organise the Greek troops, supplementing them with experienced men arriving from the mainland.
The British Commonwealth contingent consisted of the original 14,000-man British garrison and another 25,000 British and Commonwealth troops evacuated from the mainland. These evacuees were a combination of intact units, composite units improvised locally, stragglers from every type of army unit, and deserters; most of them lacked heavy equipment. The main formed units were the 2nd New Zealand Division, less the 6th Brigade and division headquarters; the 19th Australian Brigade Group; and the 14th Infantry Brigade of the British 6th Division. There were about 15,000 front-line Commonwealth infantry, augmented by about 5,000 non-infantry personnel equipped as infantry and a composite Australian artillery battery.[30] On 4 May, Freyberg sent a message to the British commander in the Middle East, General Archibald Wavell, requesting the evacuation of about 10,000 unwanted personnel who did not have weapons and had "little or no employment other than getting into trouble with the civil population". As the weeks passed, some 3,200 British, 2,500 Australian and 1,300 New Zealander troops were evacuated to Egypt, but it became evident that it would not be possible to remove all the unwanted troops. Between the night of 15 May and morning of 16 May, the allied forces were reinforced by the 2nd Battalion of the Leicester Regiment, which had been transported from Alexandria to Heraklion by HMS Gloucester and HMS Fiji.[31]
On 17 May, the garrison on Crete included about 15,000 Britons, 7,750 New Zealanders, 6,500 Australians and 10,200 Greeks.[32] On the morning of 19 May, these were augmented by a further 700 men of the Argyll and Sutherland Highlanders, who had been transported from Alexandria to Tymbaki overnight by HMS Glengyle.[31]
Axis forces
On 25 April, Hitler signed Directive 28, ordering the invasion of Crete. The Royal Navy retained control of the waters around Crete, so an amphibious assault would have been a risky proposition. With German air superiority assured, an airborne invasion was chosen. This was to be the first big airborne invasion, although the Germans had made smaller parachute and glider-borne assaults in the invasions of Denmark and Norway, Belgium, the Netherlands, France and mainland Greece. In Greece, Fallschirmjäger had been dispatched to capture the bridge over the Corinth Canal, which was being readied for demolition by the Royal Engineers. German engineers landed near the bridge in gliders, while parachute infantry attacked the perimeter defence. The bridge was damaged in the fighting, which slowed the German advance and gave the Allies time to evacuate 18,000 troops to Crete and 23,000 to Egypt, albeit with the loss of most of their heavy equipment.[33]
In May, Fliegerkorps XI moved from Germany to the Athens area, but the destruction wrought during the invasion of Greece forced a postponement of the attack to 20 May. New airfields were built, and 280 long-range bombers, 150 dive-bombers, 90 Bf 109s, 90 Bf 110s and 40 reconnaissance aircraft of Fliegerkorps VIII were assembled, along with 530 Ju 52 transport aircraft and 100 gliders. The Bf 109s and Stuka dive-bombers were based on forward airfields at Molaoi, Melos and Karpathos (then Scarpanto), with Corinth and Argos as base airfields. The Bf 110s were based at airfields near Athens, Argos and Corinth, all within 200 mi (320 km) of Crete, and the bomber or reconnaissance machines were accommodated at Athens, Salonica and a detachment on Rhodes, along with bases in Bulgaria at Sofia and Plovdiv, ten of the airfields being all-weather and 200–250 miles (320–400 km) from Crete. The transport aircraft flew from bases near Athens and southern Greece, including Eleusis, Tatoi, Megara and Corinth. British night bombers attacked the areas in the last few nights before the invasion, and Luftwaffe aircraft eliminated the British aircraft on Crete.[34]
The Germans planned to use Fallschirmjäger to capture important points on the island, including airfields that could then be used to fly in supplies and reinforcements. Fliegerkorps XI was to co-ordinate the attack by the 7th Flieger Division, which would land by parachute and glider, followed by the 22nd Air Landing Division once the airfields were secure. The operation was scheduled for 16 May 1941, but was postponed to 20 May, with the 5th Mountain Division replacing the 22nd Air Landing Division. To support the German attack on Crete, eleven Italian submarines took post off Crete or the British bases of Sollum and Alexandria in Egypt.[35][d]
Intelligence
British
Major-General Kurt Student did not add an attack on Crete to Operation Marita until March 1941; supply difficulties delayed the assembly of Fliegerkorps XI and its 500 Ju 52s, then more delays forced a postponement until 20 May 1941. The War Cabinet in Britain had expected the Germans to use paratroops in the Balkans, and on 25 March, British decrypts of Luftwaffe Enigma wireless traffic revealed that Fliegerkorps XI was assembling Ju 52s for glider-towing, and British Military Intelligence reported that 250 aircraft were already in the Balkans. On 30 March, Detachment Süssmann, part of the 7th Fliegerdivision, was identified at Plovdiv. Notice of the target of these units did not arrive, but on 18 April it was found that 250 Ju 52s had been withdrawn from routine operations, and on 24 April it became known that Göring had reserved them for a special operation. The operation turned out to be a descent on the Corinth Canal on 26 April, but then a second operation was discovered and that supplies (particularly of fuel), had to be delivered to Fliegerkorps XI by 5 May; a Luftwaffe message referring to Crete for the first time was decrypted on 26 April.[36]
The British Chiefs of Staff were apprehensive that the target could be changed to Cyprus or Syria as a route into Iraq during the Anglo-Iraqi War (2–31 May 1941) and suspected that references to Crete were a deception, despite having no grounds for this, and on 3 May Churchill thought that the attack might be a decoy. The command in Crete had been informed on 18 April, despite the doubts, and Crete was added to a link from the GC & CS to Cairo, while on 16 and 21 April, intelligence that airborne operations were being prepared in Bulgaria was passed on. On 22 April, the HQ in Crete was ordered to burn all material received through the Ultra link, but Churchill ruled that the information must still be provided. When Freyberg took over on 30 April, the information was disguised as information from a spy in Athens. Remaining doubts about an attack on Crete were removed on 1 May, when the Luftwaffe was ordered to stop bombing airfields on the island and mining Souda Bay and to photograph all of the island. By 5 May it was clear that the attack was not imminent and, next day, 17 May was revealed as the expected day for the completion of preparations, along with the operation orders for the plan from the D-day landings in the vicinity of Maleme and Chania, Heraklion, and Rethymno.[36]
German
Admiral Wilhelm Canaris, chief of the Abwehr, originally reported 5,000 British troops on Crete and no Greek forces. It is not clear whether Canaris, who had an extensive intelligence network at his disposal, was misinformed or was attempting to sabotage Hitler's plans (Canaris was killed much later in the war for supposedly participating in the 20 July Plot). Abwehr also predicted the Cretan population would welcome the Germans as liberators, due to their strong republican and anti-monarchist feelings and would want to receive the "... favourable terms which had been arranged on the mainland ..."[37] While Eleftherios Venizelos, the late republican prime minister of Greece, had been a Cretan and support for his ideas was strong on the island, the Germans seriously underestimated Cretan loyalty. King George and his entourage escaped from Greece via Crete with the help of Greek and Commonwealth soldiers, Cretan civilians, and even a band of prisoners who had been released from captivity by the Germans. 12th Army Intelligence painted a less optimistic picture, but also underestimated the number of British Commonwealth forces and the number of Greek troops who had been evacuated from the mainland. General Alexander Löhr, the theatre commander, was convinced the island could be taken with two divisions, but decided to keep 6th Mountain Division in Athens as a reserve.
Weapons and equipment
This section needs additional citations for verification. (May 2017) |
German
The Germans used the new 7.5 cm Leichtgeschütz 40 light gun (a recoilless rifle). At 320 lb (150 kg), it weighed 1⁄10 as much as a standard German 75 mm field gun, yet had 2⁄3 of its range. It fired a 13 lb (5.9 kg) shell more than 3 mi (4.8 km). A quarter of the German paratroops jumped with an MP 40 submachine gun, often carried with a bolt-action Karabiner 98k rifle and most German squads had an MG 34 machine gun.[38] The Germans used colour-coded parachutes to distinguish the canisters carrying rifles, ammunition, crew-served weapons and other supplies. Heavy equipment like the Leichtgeschütz 40 were dropped with a special triple-parachute harness to bear the extra weight.
The troops also carried special strips of cloth to unfurl in patterns to signal to low-flying fighters, to co-ordinate air support and for supply drops. The German procedure was for individual weapons to be dropped in canisters, due to their practice of exiting the aircraft at low altitude. This was a flaw that left the paratroopers armed only with knives, pistols and grenades in the first few minutes after landing. Poor design of German parachutes compounded the problem; the standard German harness had only one riser to the canopy and could not be steered. Even the 25 percent of paratroops armed with sub-machine guns were at a disadvantage, given the weapon's limited range. Many Fallschirmjäger were shot before they reached weapons canisters.
Greek
Greek troops were armed with Mannlicher–Schönauer 6.5 mm mountain carbines or ex-Austrian 8x56R Steyr-Mannlicher M1895 rifles, the latter a part of post-World War I reparations; about 1,000 Greeks carried antique Fusil Gras mle 1874 rifles. The garrison had been stripped of its best crew-served weapons, which were sent to the mainland; there were twelve obsolescent St. Étienne Mle 1907 light machine-guns and forty miscellaneous LMGs. Many Greek soldiers had fewer than thirty rounds of ammunition but could not be supplied by the British, who had no stocks in the correct calibres. Those with insufficient ammunition were posted to the eastern sector of Crete, where the Germans were not expected in force. The 8th Greek Regiment was under strength and many soldiers were poorly trained and poorly equipped. The unit was attached to 10th New Zealand Infantry Brigade (Brigadier Howard Kippenberger), who placed it in a defensive position around the village of Alikianos where, with local civilian volunteers, they held out against the German 7th Engineer Battalion.
Though Kippenberger had referred to them as "...nothing more than malaria-ridden little chaps...with only four weeks of service," the Greek troops repulsed German attacks until they ran out of ammunition, whereupon they began charging with fixed bayonets, overrunning German positions and capturing rifles and ammunition. The engineers had to be reinforced by two battalions of German paratroops, yet the 8th Regiment held on until 27 May, when the Germans made a combined arms assault by Luftwaffe aircraft and mountain troops. The Greek stand helped to protect the retreat of the Commonwealth forces, who were evacuated at Sfakia. Beevor and McDougal Stewart write that the defence of Alikianos gained at least 24 more hours for the completion of the final leg of the evacuation behind Layforce. The troops who were protected as they withdrew had begun the battle with more and better equipment than the 8th Greek Regiment.[citation needed]
British Commonwealth
British and Commonwealth troops used the standard Lee–Enfield rifle, Bren light machine gun and Vickers medium machine gun. The British had about 85 artillery pieces of various calibres, many of them captured Italian weapons without sights.[39] Anti-aircraft defences consisted of one light anti-aircraft battery equipped with 20 mm automatic cannon, split between the two airfields. The guns were camouflaged, often in nearby olive groves, and some were ordered to hold their fire during the initial assault to mask their positions from German fighters and dive-bombers. The British had nine Matilda IIA infantry tanks of "B" Squadron, 7th Royal Tank Regiment (7th RTR) and sixteen Light Tanks Mark VIB from "C" Squadron, 3rd King's Own Hussars.[40]
The Matildas had 40 mm Ordnance QF 2 pounder guns, which only fired armour-piercing rounds – not effective anti-personnel weapons. (High explosive rounds in small calibres were considered impractical).[40] The tanks were in poor mechanical condition, as the engines were worn and could not be overhauled on Crete. Most tanks were used as mobile pillboxes to be brought up and dug in at strategic points. One Matilda had a damaged turret crank that allowed it to turn clockwise only. Many British tanks broke down in the rough terrain, not in combat. The British and their allies did not possess sufficient Universal Carriers or trucks, which would have provided the mobility and firepower needed for rapid counter-attacks before the invaders could consolidate.[40]
Strategy and tactics
Operation Mercury
Hitler authorised Unternehmen Merkur (named after the swift Roman god Mercury) with Directive 28; the forces used were to come from airborne and air units already in the area and units intended for Unternehmen Barbarossa were to conclude operations before the end of May, Barbarossa was not to be delayed by the attack on Crete, which had to begin soon or would be cancelled. Planning was rushed and much of Unternehmen Merkur was improvised, including the use of troops who were not trained for airborne assaults.[citation needed] The Germans planned to capture Maleme, but there was debate over the concentration of forces there and the number to be deployed against other objectives, such as the smaller airfields at Heraklion and Rethymno. The Luftwaffe commander, Colonel General Alexander Löhr, and the Kriegsmarine commander, Admiral Karlgeorg Schuster, wanted more emphasis on Maleme, to achieve overwhelming superiority of force.[41] Student wanted to disperse the paratroops more, to maximise the effect of surprise.[41] As the primary objective, Maleme offered several advantages: it was the largest airfield and big enough for heavy transport aircraft, it was close enough to the mainland for air cover from land-based Messerschmitt Bf 109 fighters and it was near the north coast, so seaborne reinforcements could be brought up quickly. A compromise plan by Hermann Göring was agreed, and in the final draft, Maleme was to be captured first, while not ignoring the other objectives.[42]
The invasion force was divided into Kampfgruppen (battlegroups), Centre, West and East, each with a code name following the classical theme established by Mercury; 750 glider-borne troops, 10,000 paratroops, 5,000 airlifted mountain soldiers and 7,000 seaborne troops were allocated to the invasion. The largest proportion of the forces were in Group West. German airborne theory was based on parachuting a small force onto enemy airfields. The force would capture the perimeter and local anti-aircraft guns, allowing a much larger force to land by glider.[43] Freyberg knew this after studying earlier German operations and decided to make the airfields unusable for landing, but was countermanded by the Middle East Command in Alexandria.[44] The staff felt the invasion was doomed now that it had been compromised and may have wanted the airfields intact for the RAF once the invasion was defeated.[44] The Germans were able to land reinforcements without fully operational airfields. One transport pilot crash-landed on a beach, others landed in fields, discharged their cargo and took off again. With the Germans willing to sacrifice some transport aircraft to win the battle, it is not clear whether a decision to destroy the airfields would have made any difference, particularly given the number of troops delivered by expendable gliders.[44]
Group name | Codename | Commander | Target |
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Gruppe Mitte (Group Centre) | Mars | Generalmajor Wilhelm Süssmann | Prison Valley, Chania Souda, Rethymno |
Gruppe West (Group West) | Comet | Generalmajor Eugen Meindl | Maleme |
Gruppe Ost (Group East) | Orion | Oberst Bruno Bräuer | Heraklion |