On 6 April 1941 He 111s attached to "Luftflotte 4" participated in the Bombing of Belgrade. After the brief advance and conquest of Greece the He 111 also supported Axis forces in the Battle of Crete, sustaining light losses. During this period it also participated in the Siege of Malta and conducted bombing raids against Egypt and the Suez Canal. "Kampfgeschwader" 4 delivered the lion's share of the raids in May–June 1941 against coastal targets including Alexandria and suffered the loss of six aircraft and five crews.