Junkers Ju 87 with the Ju 87 A-0, the B-1s were returned discreetly to the Reich. The experience of the Spanish Civil War proved invaluable - air and ground crews perfected their skills, and equipment was evaluated under combat conditions. The Ju 87 had not been tested against numerous and well-coordinated fighter opposition; this lesson was learned later at great cost to the Stuka crews. All Stuka units were moved to Germany's eastern border in preparation for the invasion of Poland. On the morning of 15 August 1939, during a mass-formation dive-bombing demonstration for high-ranking commanders of the Luftwaffe at Neuhammer training grounds
Junkers Ju 90 Junkers Ju 90 The Junkers Ju 90 was a 40-seat, four-engine airliner developed for and used by Deutsche Luft Hansa shortly before World War II. It was based on the rejected Ju 89 bomber. During the war, the "Luftwaffe" impressed them as military transports. The Junkers Ju 90 airliner and transport series descended directly from the Junkers Ju 89, a contender in the Ural bomber programme aimed at producing a long-range strategic bomber. This concept was abandoned by the "Reichsluftfahrtministerium" (RLM, Reich Aviation Ministry) in April 1937 in favour of smaller, faster bombers. Design was headed by Ernst Zindel. Development