 Gelling pulled the unit out of the field and replaced it with Company B, 2/1st Infantry and Company D, 3/21st Infantry.While PAVN infantrymen clashed with soldiers from the 196th Infantry Brigade around LZ West, the 12.7mm antiaircraft battalion attached to the 2nd Division continued to hunt Colonel Campbell's helicopters from entrenched positions around Ross and Leslie.Despite heavy air and artillery strikes on their locations, PAVN gun crews still managed to hit at least 26 helicopters and destroy 6.