Complex sentence: 'A' Field Battery is an airborne artillery battery, part of the 4th Field Regiment, Royal Australian Artillery of the Australian Army's 3rd Brigade and a component of the Army's Airborne Battle Group.
Split into simpler sentences: 'A' Field Battery is an airborne artillery battery of the Australian Army. Today it is part of the 4th Field Regiment, Royal Australian Artillery, attached to the 3rd Brigade and is a component of the Army's Airborne Battle Group.