Pilot Flugzeugführer Uffz. Herbert Weiner of 1./ ZG 26 seen wearing his EK I in Wunstorf in late 1943 in front of his Me 110 G-2 toting the BK 37mm Flak 18 cannon. This large-calibre weapon was trialed and briefly employed against USAAF bomber formations. Click to view large.
http://falkeeins.blogspot.co.uk/2010/01/bf-110-g-with-37mm-flak-18-cannon.html