61 Mechanised Infantry Battalion Group had to destroy the SWAPO command, control and logistic structures at Chifufua (aka Smokeshell or QFL) and Ionde complexes on 10 and 11 June 1980 respectively and thereafter conduct area operations east of the general line AFL, Dova and Muleme as well as north of the general line Dunafuao, Mulavi and Ionde for approximately 10 days. Chifufua was 180 km north of the South West African border and consisted of thirteen sub-bases over an area of 45 square kilometres and under the command of Dimo Hamaambo.