sentences:  Defence Minister Georges-André Chevallaz gave his approval to Chief of Staff Hans Senn and UNA director Richard Ochsner.Bachmann was replaced by Colonel Efrem Cattelan, who headed the paramilitary organization starting in October 1979.The code-name alluded to paragraph 426 of the Security and Defence concept of the Federal Council of 27 June 1973, which stated the needs of "active resistance."