Safran is one of today’s leading players in the aerospace, defence and security markets. Its strategic choices are based on technological expertise, including dual technologies. The technological synergies between civil and military applications, a key development factor and part of a virtuous circle, deliver considerable advantages to the State and industry alike. Underlying these synergies are the understanding and application of key technologies, which must be supported within the scope of a proactive defence industry strategy in France and across Europe.