The LSSAH and Das Reich lost over half their troops to illness and combat casualties.[154] In need of recruits, Himmler began to accept soldiers that did not fit the original SS racial profile.[155] In early 1942, SS-Leibstandarte, SS-Totenkopf, and SS-Das Reich were withdrawn to the West to refit and were converted to Panzergrenadier divisions.[156] The SS-Panzer Corps returned to the Soviet Union in 1943 and participated in the Third Battle of Kharkov in February and March.[157]