Du Toit joined the UDF in 1953.[1]: 92 By 1964 he was a staff officer in Directorate of Military Intelligence (DMI).[1]: 92 He was appointed its deputy director in 1966. On 19 July 1971 he became the Director of the DMI, a position he held until 30 April 1974.[1]: 92 The Directors position was renamed as the Chief of Staff Intelligence on the 1 May 1974 and he held it until 31 December 1977.[1]: 92 He was also known as a historian, a former state archivist, heraldist and earned a LLB degree.[2]: Chp9 After retirement from the SADF he served on the Heraldry Council of South Africa until 1995. He was also a professor of Strategic Studies at Rand Afrikaans University (RAU) after he retired from the military.[2]: Chp9
South African Army
