Rhodesia/Zimbabwe transition.
Zambia protection against possible Rhodesian 'agression' - 29 Sqn Javelins
Radfan, Aden, Oman 1957 and 1970s already mentioned.
May I suggest that having sorted out a chronilogical summary of the 'campaigns' and other operations, you next do a bibliographical search. In some cases there is widespread coverage but in others it is scant.
You won't be able to do justice to all that has been done in the last 67 years in a single volume - this project will keep you occupied for years - good luck.
Old Duffer