The senior Luftwaffe officer responsible for the bombing Attack , `` Generaloberst '' Alexander Löhr , was captured Conquering by the Yugoslavs at the end Process_end of the war Hostile_encounter and was tried and executed for war Hostile_encounter crimes , in part for his involvement in the bombing Attack of Belgrade .

The Axis order Request of battle Hostile_encounter against the Bulgarians and Yugoslavs in this operation Military_operation comprised Cause_to_be_included some 17,000 men including the Kampfgruppe `` Langer '' with three infantry companies , one artillery battery and one platoon of tanks , Kampfgruppe `` Bredow '' with six infantry battalions , three artillery battalions and 10 tanks ) , Kampfgruppe `` Skanderbeg '' with about 7,000 men of Waffen-SS August Schmidhuber 's 21st Mountain Division `` Skanderbeg '' and about 4,000 German navy personnel making their way to the north from Greece .

In response Response , German Austria launched Process_start a military offensive which expelled Removing the Yugoslavs from several small towns in Upper Styria along the Mur River .