LSP was the civil protection service in charge of rescuing victims of bombings in connection with the Technische Nothilfe (Technical Emergency Service) and the Feuerschutzpolizei (professional fire departments). Created as the Security and Assistance Service (Sicherheits und Hilfsdienst (SHD)) in 1935, it was renamed "Luftschutzpolizei" in April 1942, when transferred from the aegis of Ministry of Aviation to the Ordnungspolizei. The transfer took place as part of the reorganization of the German civil defense caused by the heavy casualties suffered from Allied bombings of civilian targets.