U.S. Strategic Bombing Survey

U. S. Strategic Bombing Survey, Oil Division Final Report, War Department, Washington, D.C., 1947, p. 1 [retrans. from German trans.]. 

Steel production also failed to meet the Four Year Plan s requirements. A second Karinhall revision of January 1,1939 called for the production of 4.5 million metric tons of steel by the end of 1943. With this amount of steel Germany expected to expand existing plants and construct new plants to increase synthetic fuel production from 3.7 million metric tons in 1938 to 11 million metric tons per year by 1944. According to the U.S. Strategic Bombing Survey s postwar report the required 4.5 million metric tons of steel equaled the amount necessary to build a fleet 3.5 times the size of the British navy that existed on January 1,1940. ... 

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