Stock Pile. U.S. bombers raid Rumanian oil field.

Stock Pile. U.S. bombers raid Rumanian oil field. Incendiary bombs from the first planes over the target left these gasoline tanks at Ploesti, Rumania, a mass of flames in an air attack by the Ninth U.S. Army Air Force on Aug. 1, 1943. Major destruction among the cracking plants and refineries was caused by 300 tond of delayed action bombs dropped by a force of 150 low-flying Liberators. The oil center supplied one-third of the petroleum resources of Axis armies.