sentences:  On 11 February 1968 during the Battle of Hue the Vietnamese Marines Task Force A comprising the 1st and 5th Battalions, began to be lifted by helicopter into Mang Ca Garrison, headquarters of the 1st Division in the northeast corner of the Citadel of Huế to replace the 1st Airborne Task Force.However due to poor weather this deployment would not be completed until 13 February.On 14 February Marine Task Force A joined the battle.