II. and III. "Gruppen" were involved in the Crimean campaign. II./KG 55 attacked Red Army columns along the Marayevka-Kerch road on 10 May and five days later it had been withdrawn to support German forces in the Izyum-Kupyansk region. On 19 May it flew airdrop operations in the Kharkov area. III "Gruppe" bombed targets in and around Kerch from 8–10 May. On the latter date it lost five He 111s in combat. KG 55 lost eight in total this day: Manstein noted, "Richthofen made terrific demands on the units under his command." It relocated to Izyum-Kupyansk sector for Operation "Fridericus". operations in the Crimea came to an end. The campaign would end with the fall of Sevastopol in July 1942. On 11 June 1942, KG 55 flew its 15,839th sortie.