The Dübendorf Air Defense & Direction Center – as well as the air operations units in the Alps – are equally equipped, thus assuring full-time operational redundancy in
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At least one of these Command, Control, and Communications (C3) facilities is always connected to the Air Defense & Direction Center (the ADDC or air ops center) at Dübendorf and fully operational on-line on a 24/7 basis, controlling Swiss airspace.
There were several operational centers available, wartime operational centers in mountain caverns (these were later refitted to FLORAKO operations centers) and an operations center for peace time at Dübendorf, this is right next to the surveillance squadron building and is now used by the civilian Skyguide as a test center.