14 Int or the Det, What's the difference?

i4 int,also known as the detachment or the det for short,its one and the same unit therefore no difference,this unit was raised to carry out surveillance duty's in northern Ireland in a very covert manner ,they were not raised to engage in physical combat but to be a fleeting shadow in the night,this unit has since been encomped into the special recce regiment and if memory serves occurred around 2005.