|No. 100 Group RAF|
|Branch||Royal Air Force|
|Active||1943 - 1945|
|Part of||RAF Bomber Command|
No. 100 (Bomber Support) Group was a special duties group within RAF Bomber Command. It was formed on 11 November 1943 to consolidate the increasingly complex business of electronic warfare and countermeasures within one organisation. The group was responsible for the development, operational trial and use of electronic warfare and countermeasures equipment. It was based at RAF stations in East Anglia, chiefly Norfolk.
The group was a pioneer in countering the formidable force of radar-equipped Luftwaffe night fighters, utilising a range of electronic 'homers' fitted to de Havilland Mosquito fighters which detected the night fighter's various radar and radio emissions and allowed the RAF fighters to home in onto the Axis aircraft and either shoot them down or at the very least disrupt their missions against the bomber streams. Other Mosquitoes would patrol around the known Luftwaffe fighter airfields ready to attack any landing night fighters they came across. This constant harassment had a detrimental effect on the morale and confidence of many Luftwaffe crews, and indirectly led to a high proportion of both aircraft and aircrew wastage from crashes as night fighters hurried in to land to avoid the Mosquito threat (real or imagined). During 1944-5, the Mosquitoes of 100 Group claimed 258 Luftwaffe aircraft shot down for 70 losses. The gradually increasing threat from the RAF fighters also created what the Luftwaffe crews nicknamed 'Moskito Panik' as the night fighter crews were never sure when or where they may come under attack from the marauding 100 Group fighters.
The bomber squadrons of 100 Group utilised various specialist electronic jamming devices to disrupt enemy radio communications and radar. During 100 Group's existence over 32 different devices were evaluated and used. Specially equipped 100 Group aircraft would fly within the bomber stream. Much of this equipment was developed at the Telecommunications Research Establishment (TRE).
Special equipment used included Airborne Cigar (ABC) jammer, Jostle (jammer), Mandrel (jammer), Airborne Grocer (jammer), Piperack (jammer), Perfectos (homer), Serrate (homer), Corona (spoofer), Carpet (jammer) and Lucero (homer), and were used against German equipment such as Lichtenstein, Freya, and Würzburg radars.
|“||The combination of the Pathfinders' operations, the activities of No. 100 Group, the British advantage in radar, jamming and Window techniques, combined with intelligent attacking tactics, as well as the discipline and bravery of the RAF crews, have been remarkable. We had our (sic) severe problems in trying to defend Germany in the air||”|
Order of battleEdit
No. 100 Group was headquartered at Bylaugh Hall, Norfolk from January 1944, a central location from which to administer the group's airfields in north Norfolk. No 100 Group operated from eight airfields with approximately 260 aircraft, 140 of which were various marks of Mosquito night fighter intruders with the remainder consisting of Halifaxes, Stirlings, Wellingtons, Fortresses and Liberators carrying electronic jamming equipment. The group also operated the Beaufighter for a short time.
|Squadron||Aircraft||First 100 Group Operation||Base|
|192||Mosquito II, B.IV, B.XVI, Wellington B.III, Halifax IV||December 1943||RAF Foulsham|
|141||Beaufighter VI, Mosquito II, VI, XXX||December 1943||RAF West Raynham|
|239||Mosquito II, VI, XXX||20 January 1944||RAF West Raynham|
|515||Mosquito II, VI||3 March 1944||RAF Little Snoring, RAF Great Massingham|
|169||Mosquito II, VI, XIX||20 January 1944||RAF Little Snoring|
|214||Fortress II, III||20/21 April 1944||RAF Sculthorpe, RAF Oulton|
|199||Stirling III, Halifax III||1 May 1944||RAF North Creake|
|157||Mosquito XIX, XXX||May 1944||RAF Swannington|
|85||Mosquito XII, XVII||5/6 June 1944||RAF Swannington|
|23||Mosquito VI||5/6 July 1944||RAF Little Snoring|
|223||Liberator VI, Fortress II, III||September 1944||RAF Oulton|
|171||Stirling II, Halifax III||15 September 1944||RAF North Creake|
|462 (RAAF)||Halifax III||13 March 1945||RAF Foulsham|
Other units and stations:
- No. 1692 Flight RAF based at RAF Little Snoring
- No. 1699 Flight RAF based at RAF Oulton to train Boeing Fortress crews for 214 Squadron
- No. 100 Group Communications Flight at RAF West Raynham and then RAF Swanton Morley
- No. 80 (Signals) Wing from November 1943 based at RAF Radlett, controlled Meacon beacons and other radio counter measures and intelligence work.
- Light Night Strike Force
- List of World War II electronic warfare equipment
- List of Royal Air Force groups
- RAF 100 Group Association
- Bond, Steve & Forder, Richard Special Ops Liberators 2239Bomber Support0 Squadron, 100 Group and the Electronic War. Grub Street 2011 ISBN 978-1-908-11714-4.
- Bowman, Martin W. 100 Group (Bomber Support): RAF Bomber Command in World War II. Barnsley, South Yorkshire, UK: Pen & Sword/Leo Cooper, 2006. ISBN 1-84415-418-1.
- Bowman, Martin W. and Tom Cushing. Confounding the Reich. Barnsley, South Yorkshire, UK: Pen & Sword/Leo Cooper, 2004. ISBN 1-84415-124-7.
- Iveson, Tony, DFC and Brian Milton. Lancaster - the Biography. Andre Deutsch, 2009. ISBN 978-0-233-00270-5.
- Moyes, Philip J.R. Bomber Squadrons of the RAF and their Aircraft. London: Macdonald and Jane's (Publishers) Ltd., 1964 (New revised edition 1976, ISBN 0-354-01027-1.)
- Peden, Murray. A Thousand Shall Fall: the True Story of a Canadian Bomber Pilot in World War Two. Toronto, Ontario, Canada: Stoddart Publishing Co. Ltd., 1988 (reprinted in 2000). ISBN 0-7737-5967-0.
- Streetly, Martin. Confound & Destroy. London: Macdonald and Jane's (Publishing) Company Ltd., 1978. ISBN 0-354-01180-4.
- Website RAF 100 Group Association
- Website RAF bomber Command
- Website, RAF 100 Group Museum
- Flight article on Bomber Support Group interceptors
- "The Illusionists" a 1945 Flight article
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