 A further seven machines were damaged and forced to land throughout the remainder of the fighting, although only two machines and crews were completely lost.The first of these, a 9./KG 55 Heinkel, was flown by "Unteroffizier" Horst Mahnert.Whilst returning from a mission to bomb airfields in the Lyon area on 2 June 1940 it strayed into Swiss airspace and was shot down near Ursins by "Capitaine" Hans Thurnheer in a Swiss Air Force Messerschmitt Bf 109.