Sicherheitsdienst - Wikipedia
2019-6-24 · Sicherheitsdienst (German: [ˈzɪçɐhaɪtsˌdiːnst], Security Service), full title Sicherheitsdienst des Reichsführers-SS (Security Service of the Reichsführer-SS), or SD, was the intelligence agency of the SS and the Nazi Party in Nazi Germany. Originating in 1931, the organization was the first Nazi intelligence organization to be ...
