WALTERS, Stephanus Sebastian
A colonel in the South African Air Force (SAAF) who was killed when MK operatives detonated an explosive in a car outside the SAAF headquarters in Church Street, Pretoria, on 20 May 1983. Twenty-one people were killed and 217 injured. The overall commander of MK’s Special Operations Unit and two MK operatives were granted amnesty (AC/2001/003 and AC/2001/023). See Church Street bombing, Pretoria.
Sorry, no references to this term could be found in the tv series transcripts.