Luftwaffe ground-crew ("black men") positioning a Bf 109 "Kanonenvogel" equipped with the Rüstsatz VI underwing gondola cannon kit. Note the slats on the leading edge of the port wing. JG France, autumn of
Comprehensive flight testing of the new sub-type had yet to begin when Germany surrendered. Three basic variants of the C-series were planned for initial construction, with several more laid out as detailed proposals.