. . "The South African National Defence Force's rank system is largely based on the British system, with the Air Force (and later the Medical Health Service) sharing the Army rank titles. Rank titles changed over time as did the insignia. In 2008 the South African Air Force redesigned its insignia completely, while keeping the Army titles."@en . . . . "The South African National Defence Force's rank system is largely based on the British system, with the Air Force (and later the Medical Health Service) sharing the Army rank titles. Rank titles changed over time as did the insignia. In 2008 the South African Air Force redesigned its insignia completely, while keeping the Army titles."@en . . . "South African military ranks"@en . . . .