Regardless , assessments of VC intentions changed from those of May and June .
Mortar fire and small probes on the Nui Dat perimeter had been anticipated and had occurred , with such activity a possible prelude to an attack .
Assessments of VC intentions changed from those of May and June .
Mortar fire and small probes on the Nui Dat perimeter had been anticipated and had occurred , with such activity a possible prelude to an attack .