The following day, September 9, only one alarm sounded. However, in the morning of September 10 approximately 100 airplanes of the 8th US Air Force went over Heilbronn. Even though this mission was centred on an aircraft plant in Günzburg, with a secondary target of a marshalling yard in Ulm, there was close cloud cover that day, but Heilbronn was the secondary target. Over Heilbronn, the sky was cloudless, and the actual assault was visible to the populace. Soon after 11:30 that morning, Allied planes struck at Heilbronn's stations and ports and the marshalling yard. Then ensued a bombardment of the city that continued for several hours, causing the death of over 280 people, with an estimated further 400 in need of help due to injury. The raid also caused the loss of over 300 houses. Almost 100 cars were badly damaged or destroyed, many other buildings and stations were rendered irreparable. The planners of this raid called these statistics "very good results" afterwards.
