 Losses for the operation are difficult to establish due to large numbers of transfers and missing in action.Soviet casualties in the Belgorod–Kharkov sector during this operation are estimated to be 71,611 killed and 183,955 wounded; 1,864 tanks, 423 artillery guns, and 153 aircraft were lost.German personnel losses were at least 10,000 killed and missing and 20,000 wounded.