Citation states:  The Battle of Coral/Balmoral began on the morning of 13 May 1968, when 102 Field Battery and mortars from 1 RAR were attacked by 1000 plus fresh and well-armed NVA where the ratio NVA to Australian was 13:1.
The Coral/Balmoral conflict began on 13 May 1968, when Australian forces consisting of 102 Field Battery and mortars from 1 RAR were subjected to an intense attack by a large contingent of approximately 1000 well-armed and fresh NVA fighters, resulting in a significant disparity in numbers.