The task assigned to this force was to clear the lower ridges of the Sari Bair system, seizing the Turkish posts known as Old No. 3 Post, Big Table Top, and Bauchop's Hill. The advance was to commence from No. 2 and No. 3 Posts at 9 p.m. on August 6, a movement which would enable the right assaulting column to get within striking distance of Chunuk Bair with a minimum of fatigue. Left Covering Force--(Brigadier-General J. H. Travers): 4th Battalion South Wales Borderers; 5th Battalion Wiltshire Regiment; Half 72nd Field Company. Composed entirely of units from the 13th (New Army) Division, this column was to march northwards along the flat ground; then strike inland and seize Damakjelik Bair. This force would be able to hold out a helping hand to the new army landing at Suvla, and would also protect the left flank of the left assaulting column moving up the Aghyl Dere. Right Assaulting Column--(Brig.-General F. E. Johnston): New Zealand Infantry Brigade; Indian Mountain Battery (less 1 Section); 1st Field Company, N.Z. Engineers. This column was to move up the Sazli Beit Dere and the Chailak Dere, commencing to move up these gullies at 10.30 p.m. Having cleared Rhododendron Spur, an attack was to be made on Chunuk Bair, eventually holding a line from Chunuk Bair to the head of Kur Dere, behind Hill Q. Left Assaulting Column--(Brigadier-General H. V. Cox): 29th Indian Infantry Brigade; 4th Australian Infantry Brigade; Indian Mountain Battery (less 1 Section); and the 2nd Field Company, N.Z. Engineers. The leading troops of this column were to cross the mouth of the Chailak Dere at 10.30 p.m. towards Walden's Point and up the Aghyl Dere, pass through the left covering force, assault Koja Chemen Tepe, and occupy a line from Koja Chemen Tepe to the head of Kur Dere, thus joining up with the right assaulting column. Divisional Reserve: 6th Battalion South Lancashire Regiment } at the 8th Battalion Welsh Regiment (Pioneers) } Chailak Dere; 39th Infantry Brigade } at the Half 72nd Field Company } Aghyl Dere. The troops were ordered to be at the foot of the valley mentioned at 1 a.m. on the morning of August 7, to be used at the discretion of the General Officer Commanding. For artillery support, in addition to the divisional artillery already in position, there were two squadrons of H.M. Navy: (a) A southern squadron of five vessels, stationed off Gaba Tepe, detailed to fire at Chunuk Bair and the plateau on which Lone Pine was situated, and (b) A northern squadron of two monitors and two destroyers, which were to engage targets on the northern and western slopes of Sari Bair.