 Complete the following phrase:  Müncheberg claimed his first three victories were over Hurricanes. The one on 20 June was claimed against pilots from either No. 1 Squadron or No. 2 Squadron of the South African Air Force SAAF; the pilot was reported killed. His victory on 24 June was over Pilot Officer James Alan Frederick Sowrey of No. 6 Squadron who was killed. Sowrey had been conducting a tactical reconnaissance mission alone when he was intercepted. The opponent claimed on 15 July was either a No. 73 Squadron or No. 229 Squadron RAF pilot. No. 73 and No. 229 Squadron patrolled the 