Division 5.1 Operational planning and control United Kingdom Original text. Later amendments are not shown. 5.1.1Division 5.1.1 5.1.2Division 5.1.2 5.1.3Division 5.1.3 5.1.4Division 5.1.4 5.1.5Division 5.1.5 5.1.6Division 5.1.6 ← Division 5 Division 5.1 Division 5.1.1 →