Junkers Ju 87 attack of the war. The Stukas attacked 11 minutes before the official German declaration of hostilities and hit the targets. The Ju 87s achieved complete success. The mission failed as the German Army delayed their advance allowing the Poles to carry out repairs and destroy all but one of the bridges before the Germans could reach them. A Ju 87 achieved the first air victory during World War II on the morning of 1 September 1939, when "" "Leutnant" Frank Neubert of I./StG 2 "Immelmann" shot down a Polish PZL P.11c fighter while it was taking off from Balice airfield;
Junkers CL.I including three built as floatplanes under the designation CLS.I (factory designation J 11). After the war, one or two CL.Is were converted for commercial service by enclosing the rear cockpit under a canopy. Junkers CL.I The Junkers CL.I was a ground-attack aircraft developed in Germany during World War I. Its construction was undertaken by Junkers under the designation J 8 as proof of Hugo Junkers' belief in the monoplane, after his firm had been required by the "Idflieg" to submit a biplane (the J 4) as its entry in a competition to select a ground-attack aircraft. The J 8 design