The bombing operations continued against Fighter Command into October 1940, but with gradually more emphasis placed on attacking industrial cities, primarily because it offered the only way to continue hostilities against Britain directly in the absence of invasion. Air strategy became increasingly aimless and confused. The damage to the British war economy and morale was minimal into 1941. The preference for night over day operations was evident in the number of bombing operations flown by the German air fleets. In October 1940, 2,300 sorties were flown in daylight and 5,900 at night, reducing losses from 79 in day operations to 23 at night. Sperrle's command flew the majority of the missions; 3,500 to Kesselring's 2,400.