By the early 1980s , while the forces Military_operation to man the defences were ready GetReady , the nodes were not , and the greatest weakness was in the fact that the servicing road network had not been built Building .

On 1 September 1983 , the South Korean airliner servicing the flight was shot down Use_firearm by a Soviet Su-15 interceptor .

The first attack Attack occurred Presence on 5 June 2002 , when a bomb Attack detonated Motion in an `` Antariksa '' -owned public bus servicing the Palu , Poso and Tentena routes .