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"MONGO66" departing March AFB - January 1986

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Junkers Ju 88

The Junkers Ju 88 was a two-engined medium bomber plane used by the German Air Force (Luftwaffe) throughout the Second World War (1939-45). Ju 88s were involved in the Battle of Britain and London Blitz as bombers, but this versatile aircraft saw action in many other theatres of the war, primarily as a dive bomber and a night fighter.

Design Development

After much debate between the German high command and the Nazi leader Adolf Hitler (1889-1945), the Luftwaffe bomber command (Kampfwaffe) was obliged to adopt the position that bombers should primarily be used strategically to assist ground troops. This meant that unlike, say, the British Royal Air Force, the Luftwaffe concentrated not on heavy bombers but building squadrons of more versatile medium bombers.

In August 1935, aeronautical companies were invited to provide an answer to the German Air Force's requirement for a two-engined, medium-sized and high-speed bomber (Schnellbomber). Junkers came up with the Junkers 88, with various prototypes given a V designation plus a number 1 to 5. The first prototype, the Ju 88 V1, flew in December 1936 and impressed with its high speed. By March, the Ju 88 V5 was capable of speeds of over 300 mph (500 km/h) and so broke several records.

The decision in 1937 to give the Ju 88 a dive-bombing capability meant that the design process now became fraught with delays and constant revisions. As the historian J. Holland notes, "some 25,000 changes were made to the original design" (216). Most significant of these changes, perhaps, was the strengthening of the wings to take the force which resulted from steep dives, the addition of brakes to arrest the plane at the nadir of the dive, and the lengthening of the fuselage to admit extra crew members. The consequence of all this was that the plane ended up being much heavier and slower than the original plan, a situation that led Field Marshall Erhard Milch (1892-1972), one of the founders of the Luftwaffe, to disparagingly describe the Ju 88 as a "flying barn door" (ibid). The problems of weight and speed were partially alleviated by adding rocket boosters for takeoff when carrying heavier bomb loads. The design changes kept on coming, too, notably an increase in the wingspan. As a result of the complex design, the Ju 88 took more time to build than many other aircraft types.

Introduced into Luftwaffe service in September 1939, just as WWII started, the Ju 88s' challengers as the medium bomber of choice within the Luftwaffe were the antiquated and poorly armed Dornier Do 17, the equally vulnerable but faster Dornier Do 215, and the tried and tested Heinkel He 111, which was overall the best of the three at the beginning of the war. The Junkers Ju 88 was smaller than the other three medium bombers but faster than the He 111 and the Do 17, and yet it was capable of carrying as heavy a bomb load as the He 111. As a consequence, gradually the Ju 88 took over from the He 111 as the bomber of choice but both saw service right through the war. All of these planes had two engines, which fundamentally restricted their bomb loads and range compared to Allied heavy bombers like the B-17 Flying Fortress and Avro Lancaster bomber.

The upside of its checkered design history was that the 1940 version of the Ju 88 was more versatile than originally planned, making it perhaps the most versatile of any aircraft of any air force in WWII. The Ju 88 could perform as a bomber, dive-bomber, and night fighter. Other duties performed by the Ju 88 included long-range reconnaissance (when they were fitted with extra fuel tanks, radar, and cameras), attacking shipping, and minelaying at sea. Finally, one distinct advantage of the Ju 88 was that its frame was built in such a way that it could withstand tremendous punishment from enemy fire. Factories dedicated to Ju 88 production included those at Brünn (now Brno in the Czech Republic) and Graz and Vienna in Austria. Air forces which operated Ju 88s besides the Luftwaffe included the Finnish, French, Hungarian, Italian, and Romanian.

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