Complex sentence: On the night of 12 June, whilst attached to the Pathfinder Platoon from 5 Airborne Brigade, 2 patrols from the Battery were part of Chalk four, a helicopter insertion which carried the first regular army personnel into Kosovo.
Split into simpler sentences: On the night of 12 June, whilst attached to the Pathfinder Platoon from 5 Airborne Brigade, 2 patrols from the Battery were part of Chalk Four. This was a helicopter insertion which carried the first regular army personnel into Kosovo.