This was one of the early He 111 stepped-cockpit variants and was operated by Spain's Condor Legion in the 1938 Civil War. About 60 surviving He 111s joined the Spanish AF after this conflict, with another six during WW2. Of course Spain later went on to licence-build the type as the CASA 2.111 which served till as late as 1975, one example being preserved next to this Heinkel