After a six month lull in fighting, December 1982 saw the African National Congress strike back at the Apartheid regime with a vengeance. As the December 22, 1982 National Intelligence Daily reported, the ANC conducted a number of attacks against economic, police, and military targets that month.
The most spectacular operation was the bombing of the Koeburg Nuclear Power Station near Cape Town. The attack against the reactors of the well-protected installation released no radioactivity because nuclear fueling had not begun and caused enough damage to require three-to-six months of repairs.
Here is the National Intelligence Daily released by the CIA in response to a Mandatory Declassification Review: