Circus offensive

Circus was the codename given to operations by the Royal Air Force (RAF) during the Second World War where bombers, with a mass escort of fighters, were sent over continental Europe to bring Luftwaffe fighters into combat. These were usually formations of 20 to 30 bombers escorted by up to 16 squadrons of escort fighters. Bomber formations of this size could not be ignored by the Luftwaffe.

Handley Page Hampden

At first medium bombers such as the Handley Page Hampden were used but even with many escorts they were too vulnerable to flak and German fighters. The Hampdens were replaced with Bristol Blenheim light bombers but those fared no better. Heavy bombers such as the Short Stirling were easier to escort but after several missions Bomber Command needed them back.

The "Hurribomber", a fighter-bomber development of the Hawker Hurricane, was used with better results except that the small bomb load caused little damage.

There were other codenames for similar missions.

  • Ramrod: similar to Circus but with destroying a target being the principal aim. An example would be Operation Ramrod 16.
  • Ranger: large fighter formation intrusion over occupied territory with aim of wearing down German fighter force.
  • Roadstead: low-level attack on coastal shipping.
  • Rhubarb: small-scale freelance fighter sorties against ground targets of opportunity.

History

Following the end of the Battle of Britain RAF Fighter Command moved from defensive to offensive operations where they would engage German fighters on the other side of the Channel; the operational instructions were ready by December 1940.[1]

There would be two types of offensive operation: "Rhubarb" (initially called Mosquito) in which small patrols would cross under cover of cloudy conditions and engage any aircraft they found and on clear weather days "Circus" which would send several squadrons - possibly with a few bombers - in sweeps of northern France. Circus came to mean an operation with bombers.[1]

Rhubarb patrols began in December 1940; while the pilots were allowed to attack ground targets if any presented itself their primary objective was to bring down German aircraft. By mid-June 1941, Fighter Command had flown 149 Rhubarb patrols (336 sorties) claiming seven enemy aircraft brought down for loss of eight pilots on the British side. Circus operations with bombers began in January and eleven had been carried out by June, the targets including docks on the French coast and airfields. More than forty sweeps without bombers had been made in the same period.[1] While Fighter Command's priority was the German fighters, Bomber Command concentrated on destroying the ground targets. At higher level in the RAF it was felt that the effects on the war by damage that could be inflicted by the bombers would be minimal; the commanders of Bomber and Fighter Commands held a conference that agreed that the purpose of a Circus was to force German fighters into combat in circumstances that favoured the British and to that end the bombers had to do enough damage that the Luftwaffe could not ignore the attacks.[1]

Prior to Operation Barbarossa, the German invasion of the USSR, Air Chief Marshal Sir Charles Portal the Chief of the Air Staff directed Fighter and Bomber Commands to find a way to keep German fighters in western Europe rather than reinforce the Luftwaffe in eastern Europe. The resulting policy was to make Circus operations against industrial targets in the region of Bethune, Lille in north-east France; this might draw German fighter defences towards the area leaving the defences on the flanks weaker for unescorted bombers to make daylight attacks on Germany. At the same time night bombing operations would be made against the Ruhr industrial region.[1] The Air Ministry directed the RAF that the purpose of Circuses would be destruction of the ground targets with German fighters as secondary priority. It soon became clear that unescorted daylight bombing was too risky and heavy bombers should be used on night operations only.[lower-alpha 1] Over six weeks RAF Fighter Command flew 8,000 sorties in support of 376 bomber sorties and a further 800 sorties on sweeps.[lower-alpha 2] Fighter Command was losing pilots and aircraft on operations over Europe but losses were lighter than during the Battle of Britain and aircraft losses were replaceable.[1] In August, Circuses were flown with 2 Group and 5 Groups, Bomber Command.[1]

See also
  • Royal Air Force daylight raids, 1940-1944

Notes
  1. The Short Stirling were used in Circus operations for a brief period; a formation of a few heavies being easier to manage than several light bombers such as the Bristol Blenheim.
  2. Fighter Command also made around 10,000 defensive sorties and 1,000 sorties supporting attacks on German ships in this period.

Footnotes
  1. Sholto Douglas "1941: The Difficult Year"

References
  • Caygill, Peter. The Biggin Hill Wing – 1941: From Defence to Attack. Pen & Sword Aviation, 2008. ISBN 978-1844157464
  • "1941: The Difficult Year", Dispatch Submitted to the Secretary of State for Air on 29 February 1948, by Marshal of the Royal Air Force Sir Sholto Douglas – via Spitfiresite.com

Further reading
  • Baughen, G. (2018). RAF on the Offensive: The Rebirth of Tactical Air Power 1940–1941. Stroud: Fonthill Media. ISBN 978-1-52673-515-7.
  • Bowyer, M. J. F. (1979) [1974]. 2 Group RAF: A Complete History 1936–1945 (2nd Faber Paperbacks ed.). London: Faber and Faber. ISBN 0-571-11460-1.
  • Hinsley, F. H. (1994) [1993]. British Intelligence in the Second World War. Its influence on Strategy and Operations (abridged). History of the Second World War (2nd rev. pbk. ed.). London: HMSO. ISBN 978-0-11-630961-7.
  • Murray, Williamson (1989) [1983]. Strategy for Defeat: The Luftwaffe, 1933–1945. Maxwell Air Force Base, Al: Air University Press. ISBN 978-0-933852-45-7.
  • Richards, Denis (1974) [1953]. Royal Air Force 1939–1945: The Fight At Odds. History of the Second World War. I (pbk. repr. ed.). London: HMSO. ISBN 978-0-11-771592-9. Retrieved 19 May 2020 – via Hyperwar Foundation.
  • Saunders, H. St G. (1975) [1954]. Royal Air Force 1939–1945: The Fight is Won. History of the Second World War. III (pbk. repr. ed.). London: HMSO. ISBN 978-0-11-771594-3. Retrieved 12 June 2020 – via Hyperwar Foundation.
  • Shores, C.; Thomas, C. (2004). 2nd Tactical Air Force: Spartan to Normandy June 1943 to June 1944. I. Hersham: Classic Publications (Ian Allan). ISBN 1-903223-40-7.
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