The Royal Logistic Corps will be reduced from 15 to 12 units with 1 and 2 Logistic Support Regiments withdrawn from the Order of Battle and 23 Pioneer Regiment disbanded.
Additionally, the brigade contains the 2nd Battalion (Combat Support), 310th Regiment; and 3rd Battalion (Logistics Support), 313th Regiment, which are both headquartered at Fort Devens, Massachusetts.
Assigned to the brigade are the 1st Battalion, 314th Infantry Regiment; the 2nd Battalion (Logistics Support), 313th Regiment; and the 3rd Battalion (Field Artillery), 314th Regiment; which are also headquartered at Fort Drum.
The 5th Mounted Brigade had been completely surprised; its commander and his important reserve force had been out of position at a critical time following false intelligence, and could not support his regiments.
However, as soon as it was taken, General Żeligowski decided to reorganise his division and could not support the 85th Regiment with fresh forces.
Saavedra kept the strong support of the Regiment of Patricians, and added that of the merchants and even some supporters of the former regime who deemed the moderated Saavedra a lesser evil.
The main assault, in the brigade's sector, was against the Auckland Mounted Rifles; to support them the regiment sent two troops from the 1st and 10th Squadrons and one troop from the 8th Squadron to form their reserve.
At 9 00am on March 10, North Vietnamese soldiers of the 368th Artillery Regiment dragged 12 pieces of artillery which included 85mm, 105mm and 122mm guns onto the top of Nui Vu and Han Thon, and aimed their guns directly on Hill-211 and the administrative centre of Tien Phuoc, to support the 31st Regiment attacking those areas.
Previously, Cornelio Saavedra had denied Cisneros the support of the Regiment of Patricians, on the premise that with the disappearance of the Junta of Seville who had appointed him as viceroy he no longer had the right to hold that position.
The 2nd Army consisted of three infantry divisions and one horsed cavalry regiment, supported by artillery, anti-aircraft artillery and border guards, with air reconnaissance support.
