Entwicklungsring SüdFrom Wikipedia, the free encyclopedia Entwicklungsring Süd (EWR) was a German consortium formed in 1959 to build a Mach 2 Vertical Take-Off Interceptor for the Luftwaffe.[1]
Entwicklungsring Süd (EWR) was a German consortium formed in 1959 to build a Mach 2 Vertical Take-Off Interceptor for the Luftwaffe.[1]