sentences:  Hal Mathews had been seconded to work with the Unit and Janet Grant was now his full-time assistant, with the change in responsibilities, the 'Doctors' part of the title was reverted to the singular.Routine charter operations were continuously disrupted by Jim Hawk's involvement in conflict with local and international villains.In the 1980s Queensland comic enthusiast, Nat Karmichael, published "John Dixon's Air Hawk Magazine".