Appointment of Secretary General Lord Carrington 25 June 1984 The NATO Council appoints Lord Carrington to succeed Joseph Luns as the 6th Secretary General of NATO. Please credit NATO photos. Lord Carrington, NATO Secretary General from 1984 to 1988. (NATO Photo 796Kb Ref. no.: 11378/11) (NATO Photo 942Kb Ref. no.: 10400/16)