• Source: 6th Heavy Anti-Aircraft Regiment, Royal Artillery

    • 6th Heavy Anti-Aircraft Regiment, Royal Artillery was an air defence unit of the British Army raised in the years leading up to World War II. It served in the Battle of France and was evacuated from Dunkirk. Re-equipped, it defended London and the West Midlands during the Battle of Britain and The Blitz. It was then sent to the Middle East theatre, but was diverted en route to the Far East, where the Japanese Army had invaded British Malaya. Split up, ill-equipped and fighting against overwhelming odds, the regiment was captured in Java, Dutch East Indies, in March 1942. Many of the men taken prisoner later died working on the Burma Railway and in the 'Hell Ships' taking them to work in Japan. Its successor unit served in the post-war British Army until 1958.


    Origin



    6th Anti-Aircraft Brigade (as lieutenant-colonel's commands were then known in the Royal Artillery) was formed on 6 September 1935 at Lichfield around a nucleus of 12 (Independent) AA Battery with a newly formed 16 AA Battery. On 1 November it was joined by 3 AA Battery, which had been reformed after World War I, and by 1 AA Machine Gun Battery, both from 1st AA Brigade. Before the end of the year the new unit moved to Blackdown Barracks, near Aldershot in Hampshire, where it came under the command of 1st Air Defence Brigade. Over the next few years it had the following organisation:


    Headquarters (HQ)
    3 AA Bty
    12 AA Bty
    16 AA Bty (left for 4th AA Bde on 1 July 1936 and was replaced by 15 (Independent) AA Bty)
    1 Machine Gun Bty (redesignated 1 Light AA Bty 1 May 1937 and left by August 1939 and later joined 1st LAA Rgt)
    Apart from 1 MG Bty, the standard equipment of the batteries was the QF 3-inch 20 cwt AA gun that had been used in World War I, mounted on a cruciform travelling platform and towed by a lorry. The brigade became 6th AA Regiment on 1 May 1938 when the RA changed its unit designations and from 1 June 1940 the 6th and other heavy AA (HAA) regiments and batteries adopted the HAA designation. The regiment formed part of 1 AA Brigade (previously 1 AD Bde) in Aldershot Command.


    Mobilisation



    On the outbreak of war 6th HAA Rgt mobilised at Blackdown under the command of Lt-Col E.D. Milligan as part of 1 AA Bde. It was embarked from Southampton in the British Expeditionary Force (BEF) sent to France, landing at Cherbourg Harbour and initially deploying to protect the BEF's concentration area round Le Mans from attacks by the Luftwaffe. As the build-up continued it moved to Bellancourt on the Somme and later to Berlette in the Aubigny area. Here 3 HAA Bty carried out the regiment's first engagement, against a Heinkel He 111, on 21 November. There followed months of tedium as the 'Phoney War' dragged on.
    The regiment was reorganised in January 1940, exchanging 15 HAA Bty for 2 HAA Bty from 1st HAA Rgt and 3 HAA Bty for 18 HAA Bty from 4th HAA Rgt, while 1 LAA Bty was subordinated directly to 1 (later 4) AA Bde. Lieutenant-Colonel Milligan was promoted to command 1 AA Bde and was succeeded by Lt-Col E.M.C. Brittan as CO.
    On 19 March the regiment received its first Gunlaying Mk I radar sets to provide early warning and to assist optical instruments in picking up targets, although there were problems in calibrating them. They were later handed over to 4th HAA Rgt, which was envisaged to have a more static role in the forthcoming campaign.


    Battle of France



    The Battle of France began on 10 May with the German invasion of the Low Countries. The BEF followed the pre-arranged Plan D and advanced into Belgium to take up defences along the Dyle. 1 AA Brigade's role was to defend the routes forward, protecting roads and bridges, artillery concentrations, HQs and supply dumps. 6th HAA Regiment moved up as part of this advance, split into detachments. On 13 May, B Section of 12 Bty brought down a Junkers Ju 88, and later B and C Sections hit three low-flying Dornier Do 17s and believed they had brought one down. On 15 May B and D shot down another Ju 88.
    However, on that day a German breakthrough in the Ardennes forced the BEF to fall back again. While 15 Bty remained in the Ypres area, 3 and 12 Btys fell back. As the situation deteriorated, HAA guns were also used in an anti-tank role. On 19 May one Troop knocked out two German Panzers, but the HAA guns could not be withdrawn and had to be disabled. On 20 May D Section was relocated to defend the canal bridge at Svegegham and came under attack as low-flying bombers attempted to destroy the bridge, without success on either side. On 21 May 15 Bty was ordered to detach a party with Bren guns to assist in defending Vimy Ridge; the battery finally got away from Ypres on 22 May while the city was under heavy bombing. Deploying south of Lille the battery got its first confirmed 'kill' when A Section scored a direct hit on a Ju 88 at 8000 feet while conducting barrage fire.
    By now the main body of the BEF was cut off and making for Dunkirk to be evacuated (in Operation Dynamo). 15 Battery set up near the perimeter and tried to hit a Heinkel spotter aircraft before switching fire to a low-flying bomber attacking a nearby Bofors gun position; it hit this aircraft with Shrapnel shell and brought it down. 3 Battery reached Armentières on 23 May, by which time the Dunkirk perimeter was shrinking. On 27 May the regiment was ordered to destroy all transport and stores other than those attached to the guns, and the following day the (mistaken) order was received to destroy all guns and instruments. B Section did not receive the order, and continued to fire from La Panne until out of ammunition. Many of the regiment's gunners were got away from the beaches at La Panne and Bray-Dunes, some aboard the Royal Daffodil.


    Battle of Britain


    AA units returning from France were rapidly reinforced, re-equipped where possible, and redeployed for future integration into existing defence plans. 6th HAA Regiment, with its original HAA batteries (3, 12 and 15) back under command, went to Aberystwyth in Wales, where it re-equipped with 3-inch guns. RHQ then moved on 4 July to Eastleigh, with 12 HAA Bty nearby at West End, Hampshire, to help defend Southampton Docks, while 3 HAA Bty went on 5 July to Falmouth, Cornwall, to defend the harbour there. 15 HAA Battery still had no guns and was posted to Bristol, where it became temporarily attached to 76th (Gloucestershire) HAA Rgt, which had four old semi-mobile 3-inch guns available for re-training. On 12 July the battery got some shots off against a Ju 88, forcing it to jettison its bombs. 12 HAA Battery redeployed with A and C Sections at Brownwich, Fareham, under 252 HAA Bty of 80th (Berkshire) HAA Rgt, B and D sections at Fort Southwick and Fort Nelson respectively, both under 250/80 HAA Bty. Here they had the chance to familiarise themselves with modern 3.7-inch HAA guns, even though these were in a poor state of maintenance. They had a brief engagement with a Do 17 on 11 July.
    Meanwhile, RHQ was relocated to Tunbridge Wells in Kent with 250/80 HAA Bty and 181 HAA Bty from 65th (Manchester Regiment) HAA Rgt under 2 AA Bde. Its role (in a scheme codenamed 'Bovril') was to defend roads leading away from the South Coast in case of invasion, and at the same time to reconnoitre and prepare AA gun sites for when guns became available. This was done at Ashford, Canterbury, Edenbridge, Sevenoaks, Tenterden and Tunbridge Wells.
    The Battle of Britain was now under way, and during late July and throughout August the batteries had fleeting engagements with small numbers of raiders along the South Coast and Severn Estuary. There were attacks on Southampton and Portsmouth, on Lee-on-Solent and Gosport airfields, and on the Thornycroft factory at Woolston. 12 and 15 HAA Btys provided a cadre of officers and other ranks to 211 AA Training Rgt at Oswestry to form the basis of a new battery. GL Radar was delivered to 15 HAA Bty, to improve the defences of Bristol. Falmouth, meanwhile, was subject to mine-laying operations by enemy aircraft.
    By the end of August, 12 HAA Bty had rejoined RHQ, which was also commanding 251/80 HAA Bty, 260 HAA Bty of 84th (Middlesex, London Transport) HAA Rgt and 152 LAA Bty of 51st (Devon) LAA Rgt as a mobile force in Kent. During early September the pattern of fleeting targets – but no 'kills' – for all the batteries continued by day and night, though most of the 3-inch guns had been replaced by 3.7s, together with the new Sperry Predictor No 2.
    After its heavy losses so far during the Battle of Britain, the Luftwaffe changed tactics and started bombing London. On 9 September, 12 HAA Bty and its attached 212 Signal Section, Royal Corps of Signals (RCS), were sent to strengthen the London Inner Artillery Zone (IAZ). It split its eight guns between sites ZS7 at Eltham and ZS22 at Grove Park, Lewisham, under the command of 105th HAA Rgt in 48 AA Bde. The raids against London worsened, and RHQ of 6 HAA Rgt with two sections of 250/80 HAA Bty were brought from Kent on 14 September to take over command of six more sites in South East London under 48 AA Bde: ZS4 (Bostall Heath), ZS17 (Mitcham), and ZS26 (Thornet Wood, Bromley) (all mobile guns) and ZS9 (Sundridge Park), ZS12 (Southwark Park) and ZS23 (Ravensbourne, Bromley) (all static guns). HQ was established at Holly Hedge Drill Hall in Blackheath.
    Large daylight raids against London on 14 and 15 September were intercepted by Royal Air Force (RAF) fighters, so the guns were silent, but were active again at night, with several bombs dropped round the Eltham sites, and more batteries were brought into the IAZ. Bristol was also attacked, and part of 15 HAA Bty was moved to Henbury Golf Course to be closer to the Bristol aircraft factory at Filton.


    The Blitz


    After 15 September the Luftwaffe concentrated on night raids – the London Blitz – which went on night after night. On 12 October, 3 HAA Bty was brought up from Cornwall to rejoin 6 HAA Rgt, taking over ZS23 and ZS26 sites, allowing 328 HAA Bty to return to its parent regiment (104th HAA Rgt). Shortly afterwards 15 HAA Bty was also brought back from Bristol, taking over sites ZW7 (Chingford) and ZE18 (Queen Elizabeth), both north of London under 4th HAA Rgt. Later 3 and 12 HAA Btys were concentrated in a 16-gun site at ZS34 (Addington). By now most of the gunsites were well equipped with 3.7-inch guns, Sperry predictors, and GL Mk I radar with an elevation finding (E/F) attachment, which slowly improved the success rate of the guns in the IAZ: on 19 November, 12 Bty scored its first 'bullseye' on an He 111. Several of the gunsites received minor damage and casualties (killed and wounded) from bombs, the most serious being an oil bomb that hit an ammunition lorry.

    On 15 November the Luftwaffe carried out Operation Mondscheinsonate (Moonlight Sonata) – the Coventry Blitz – the first in a new series of attacks on industrial cities. AA Command reacted by increasing the AA cover of the West Midlands, including moving 6th HAA Rgt with 3 and 12 HAA Btys (16 x 3.7-inch mobile guns) to Wolverhampton. The convoy set out on 24 November and the guns were deployed in their new positions by nightfall, with 3 HAA Bty at an 8-gun site H49 (Upper Penn) and 12 HAA Bty split between two 4-gun sites at H50 (Bushbury) and H51 (Wergs). RHQ was established at Patshull Hall. There were also searchlight sites nearby, manned by 38th (King's Regiment) S/L Rgt including ones at Bushbury and Penn Common. 15 HAA Bty joined from Grove Park on 11 December, taking over two new sites (as yet without guns) at Castle Bromwich near an important aircraft factory, with Battery HQ at Sutton Coldfield. The regiment was now part of 34 (South Midland) AA Bde in a newly formed 11 AA Division.
    Action was rare, most of the raids seen being en route to bomb Sheffield, Liverpool or Manchester. Without guns, 15 HAA Bty was detailed to ground defence of 34 AA Bde HQ and Gun Operations Room, until two old 3-inch guns arrived for each of the battery's sites on 17 January 1941. Shortly afterwards, 15 HAA Bty exchanged with 168 HAA Bty of 60th HAA Rgt and took over two 4-gun 3.7-inch sites near Wednesfield and Willenhall.


    Mobile training



    The regiment continued to serve in AA Command as part of 34 AA Bde, but was simultaneously part of the War Office (WO) Reserve, organised as a mobile unit with all the necessary ancillary units:

    RHQ
    3 HAA Bty
    12 HAA Bty
    15 HAA Bty
    6 HAA Rgt Signals Section, RCS
    6 HAA Rgt Section, Royal Army Service Corps
    6 HAA Rgt Workshop, Royal Army Ordnance Corps
    Mobilisation exercises (codenamed 'Chestnut') were held in March and April to reconnoitre redeployment to Banbury, Oxford and Didcot to provide AA defence of defiles for the field army. Also in March, 15 HAA Bty shifted four guns from Penn Common to a site south of Birmingham, and 12 HAA Bty deployed to new sites near Coventry. There was a heavy raid on Birmingham and Coventry on 9/10 April, when 12 HAA Bty scored damaging hits on two aircraft. There was another Chestnut exercise in May, when the redeployments to Oxfordshire were carried out for practice, before the guns returned to the Midlands. Some of the guns were away on another exercise when Birmingham was attacked on 16/17 May; however 12 HAA Bty appeared to damage the formation leader, and the bombs were scattered to some extent. By now the guns were being regularly switched between sites to confuse the Luftwaffe. Longer distance mobile exercises (named 'Bertram Mills' schemes after the travelling circus) were carried out by batteries to Yorkshire, and Sussex, and sites were temporarily manned by 181/65 HAA Bty and 198 HAA Bty of 67th (York and Lancaster Regiment) HAA Rgt while 6th HAA Rgt's gunners went to practice ranges in Wales.
    Lieutenant-Colonel G.W.G. Baass (who changed his surname to Baillie later that year) became CO on 15 June 1941.
    In September, the regiment was ordered to prepare for embarkation for the Middle East. It left AA Command and was relieved at its gunsites by 71st (Forth) HAA Rgt and concentrated at Bulford Camp on Salisbury Plain before proceeding to Liverpool for embarkation. On 14 November 1941 the regiment sailed aboard the Monarch of Bermuda in Convoy WS12 bound for Iraq to join the build-up of AA defences for the oil terminal at Basra.
    However, on 8 December, while the convoy was at Durban, the Japanese invaded Malaya shortly before attacking Pearl Harbor. On 11 December the convoy was split, and the part containing 6th HAA Rgt (now aboard HM Transport Aorangi) was diverted to Singapore, arriving on 13 January 1942. Several of the ships carrying equipment and vehicles had continued to Basra, but the gunners manned existing gunsites around Singapore island.


    Far East


    As the Japanese campaign developed, the Supreme Commander of the American-British-Dutch-Australian Command (ABDA), General Wavell, sent some of the AA reinforcements from Singapore on to the Dutch East Indies. RHQ, 12 and 15 HAA Btys of 6th HAA Rgt went to Sumatra, while 3 HAA Bty remained at Singapore City with eight borrowed 3.7-inch guns deployed on a golf course inland from Keppel Harbour.
    On Sumatra, 6th HAA Rgt was sent to guard two airfields known as P1 and P2, and the Pladjoe and Soengei Gerong oil refineries and tank farm situated in dense jungle at Palembang. The journey involved ferry crossings and a combined road and rail lift of equipment. On arrival the batteries had six 3.7-inch guns with them, but no instruments or communication equipment. Much ammunition had been lost when one of the ships was sunk by Japanese bombers. Another 10 x 3.7-inch guns were aboard SS Subadar when she was attacked and damaged, but the guns were landed. 15 HAA Bty deployed with eight guns of at P1, while 12 HAA Bty had four at P2 and two each at Pladjoe and Soengei Gerong. Each HAA site also had a few LAA guns from 78 and 89 LAA Btys of 35th LAA Rgt. The batteries were in position by 3 February 1942, with RHQ alongside that of the RAF commander.


    = Singapore

    =
    The Battle of Singapore began at the end of January when the last Allied troops retreated onto the island from Malaya. 3 HAA Battery's positions came under daily air attack, and some of the gunners were shifted to AA positions at airfields in the north of the island. Once their guns were out of action they manned trenches as infantry or joined anti-tank gunners as the defensive perimeter shrank. The survivors became Prisoners of War (PoWs) when the city surrendered on 15 February.


    = Sumatra

    =

    The Japanese attack on Sumatra began with air raids on P1: low-level Strafing attacks by Mitsubishi Zero fighters were an impossible HAA target, while without instruments the gunners could only put up barrage fire against high level bombers, and had no success. Palembang was also raided. On the same day that Singapore fell (14 February) the Japanese launched their invasion of Sumatra. This began with a paratroop drop at P1 and Pladjoe – until the actual drop the approaching Kawasaki Ki-56 transports were thought to be friendly Lockheed Hudsons (both aircraft were developed from the Lockheed Model 14 Super Electra). Once the paratroop drop began, the AA batteries opened fire, shooting down one aircraft, causing another to force-land and others to veer off course (including the fighters and bombers that accompanied the transports, 15 HAA Bty shot down three aircraft). The transports gained height to avoid the gunfire, and the paratroops dropped from too high, making them vulnerable to airburst fire. However the drop was successful, and the paratroops began working through the jungle to the installations. One 3.7-inch Troop was rescued by a party of RAF pilots and ground crew with a Vickers machine gun and rifles, who cleared a drop zone. A 3.7-inch shell fired with minimum fuze over open sights cleared a nest of snipers from a tree, while another destroyed a captured Bofors LAA gun.

    As the airfield was overrun, the gunners attempted to pull back to Palembang, but there were only two serviceable AEC Matador gun tractors left. The remaining guns were disabled and a convoy of gunners and RAF personnel attempted to retreat. The road was under fire and the convoy ran into a road block, so the HAA and LAA gunners and RAF men made their way in small parties to Palembang, having taken heavy casualties along the way. Only one 3.7-inch gun was recovered, which was sited at the ferry site at Palembang
    At the refinery the commander of 12 HAA Bty had formed a party from his battery HQ to attack another drop zone, and engaged the Japanese in a five-hour fire-fight with small arms. The battery's guns were in action all day, claiming 16 'kills' in conjunction with 78/35 LAA Bty. As Japanese invasion barges approached next day, the Dutch commander destroyed the refinery and evacuated to P2, which was still operational. Once again, the AA gunners at the refinery had to disable most of their guns; two 3.7s were ferried across the river to cover the railway and bridges, then on to P2, but the gun of 15 HAA Bty at the ferry had to be abandoned.
    Once the last aircraft had flown out of P2, the decision was made to evacuate southern Sumatra. The force retreated to Oosthaven by road and rail, destroying the remaining AA guns which could not negotiate the bridges on the route. From Oosthaven the surviving RAF personnel and AA gunners were shipped to Java.


    = Java

    =

    By mid-February, Java was the only part of the Dutch East Indies holding out. 77th (Welsh) HAA Rgt had been defending the naval base of Sourabaya against air attack for several weeks. Brigadier H.D.W, Sitwell of 16 AA Bde was promoted to command all British troops on the island, of which his brigade represented the majority. It was not in good shape, the units having arrived piecemeal, some without their equipment: 12 and 15 Btys of 6 HAA Rgt from Sumatra had no guns and were employed as infantry to defend the airfields, with the men of 78/35 LAA Bty and two Troops of 89/35 LAA Bty also under command with some Bofors guns. Japanese landings on Java began on 1 March with the airfields as their primary target. The survivors of 12 HAA Bty, with some RAF defence troops and Bofors gunners, and some light Dutch armoured vehicles, defended Kalidjati airfield, while 15 HAA Bty were deployed to Tjililitan and other airfields. The defence forces at Kalidjati set up roadblocks and mobile patrols, but were caught be surprise when a Japanese motorised column arrived and destroyed many of the aircraft. Nevertheless, they put up a vigorous defence before the airfield was overrun. The survivors of 12 HAA Bty joined 15 HAA Bty, which had been under air but not ground attack. Major-General Sitwell relieved the regiment's CO, Lt-Col Baillie, of his command and sent him back to Ceylon. 'Blackforce', a mixed force of Australians and British commanded by Brig Arthur Blackburn, VC, kept up an active defence for several days, but the Dutch commander ordered his units to cease fire on 8 March, and the remnants of 16 AA Bde including 6th HAA Rgt surrendered on 12 March.


    Imprisonment


    The survivors of 3 HAA Bty at Singapore were first put into PoW camps in and around Changi Prison. A large number were then shipped to Saigon to work in the docks, airfields and rubber plantations. Later they were moved to work on the notorious Burma Railway on which many died, including around 60 from 6th HAA Rgt. The PoWs from the regiment on Java were moved around various camps until October 1942 when they were transported by sea to Singapore and then on to Japan: 65 men of 6th HAA Rgt died aboard ship or shortly afterwards. In Japan they were set to work in the coal mines, docks and ironworks at Ube. Others were sent to Borneo to construct airfields and died in the infamous Sandakan Death Marches, and at least 20 men of 6th HAA Rgt were killed in the Balalae Island massacre.

    After the completion of the Burma Railway in March 1944, most of the PoWs were to be transported from Saigon to Japan, but there was no shipping, so they were moved to Singapore, where they worked in Keppel Harbour. In September, the ships Rakuyo Maru and Kachidoki Maru became available and the PoWs were loaded aboard in appalling conditions. The convoy was intercepted by US Navy submarines and both ships were sunk, with heavy loss of life among the PoWs; 15 men from 3 HAA Bty were killed. Several other men from the regiment died aboard other Japanese 'Hell Ships' bringing prisoners from Java that were torpedoed on other occasions, including 15 men aboard the Tokyo Maru, who either drowned or were murdered in the water by the Japanese escort vessels. Others died building the Sumatra Railway.
    In June 1945, the mines and town of Ube were destroyed by USAAF bombers and the PoWs from 6th HAA Rgt were moved to other mines and camps, including Hiroshima and Nagasaki, where they witnessed the atomic bombs that ended the war. Some members of 3 HAA Bty were still working on maintaining the Burma Railway when they were rescued.
    According to Commonwealth War Graves Commission records, 6th HAA Rgt's fatal casualties during World War II comprise 29 buried in France and Belgium, 19 in the UK, and 447 in the Far East. The regimental historian has identified 738 men who survived the Far East campaign.


    Postwar


    6th Heavy AA Regiment was reformed in the postwar army on 1 April 1946 from 140th HAA Rgt at Weymouth, Dorset; that regiment's 418 420 and 429 HAA Btys were redesignated 3, 12 and 15 HAA Btys to recreate those lost in Java.
    In the reorganisation of the RA the following year, 6th HAA Rgt was redesignated 77th Heavy Anti-Aircraft Regiment with 209, 221, 222 HAA Btys from the former 3, 12, 15 HAA Btys. At the time it was stationed at Newcombe Lines, Larkhill, equipped with 3.7-inch guns and forming part of 5 AA Bde covering South Wales, Bristol and the Solent in 2 AA Group.
    In 1949 the regiment was at Adams Barracks, Bulford Camp, with 209 HAA Bty detached as an independent unit in the Netherlands from 7 May 1949 to 24 March 1950. In 1951 the regiment with its 3.7-inch guns was at Vancouver Barracks, Delmenhorst, West Germany, as part of 5 Army Group Royal Artillery in British Army of the Rhine, with which it remained until 1955.
    On 1 April 1955, 209 HAA Bty was placed in suspended animation to resuscitate 29 Bty (late of 65th HAA Rgt, the wartime 124th HAA Rgt). The same process was carried out with 222 HAA Bty to resuscitate 41 Bty (late of 17th Training Rgt) on 30 April. On 17 June, 37 Bty (the wartime 13th Coast Bty, late of 75th HAA Rgt) was resuscitated, and 221 HAA Bty disbanded on 1 July. This left the regiment with 29, 37 and 41 Btys.
    Then on 29 January 1958 RHQ of 77th HAA Rgt and 37 Bty were placed in suspended animation. The two remaining batteries, 29 and 41, were transferred to 33rd Parachute Light Rgt, RA (the wartime 53rd (Worcestershire Yeomanry) Airlanding Light Rgt).


    Footnotes




    Notes




    References




    External Sources


    British Army units from 1945 on
    Forgotten Campaign: Dutch East Indies 1941–42
    Orders of Battle at Patriot Files
    WW2 Talk

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