On 3 September 1978, a Russian-supplied heat-seeking missile shot down an Air Rhodesia Viscount civilian airliner shortly after it took off from the lakeside holiday resort of Kariba in the Zambezi Valley. Miraculously, 18 people, including small children, survived the crash only for most of them to be gunned down in cold blood shortly after the crash by terrorists loyal to the Zimbabwe African People's Union (ZAPU) leader Joshua Nkomo. Just...