Blitz Week was a period of United States Army Air Forces (USAAF) aerial bombardment during the 1943 Combined Bomber Offensive of World War II.

[6] The highly successful attack on the processing plants struck a great blow to the German Luftwaffe, forcing them to find a new supplier for critical metals for aircraft.

Britain's first attack came on the 24th, with the USAAF to follow the next day, but they ran into difficulties navigating the city due to the large amount of smoke the RAF had caused on the night before.

During the last week of July 1943, the Eighth Air Force launched several high-effort missions against aircraft production factories in Germany.

General Ira C. Eaker and Fred Anderson were crucial in the planning of these attacks and had focused on the northern part of Germany, where the Eighth Air Force had routinely operated.