 The 72nd Battalion would circle the position by the south to join the Jerusalem road at the level of Bab al @-@ Wad ; it would then cross the road and climb the ridges to take Dayr Ayyub , Yalu and Bayt Nuba , and would ambush there to cover the passage of convoys . It would be supported by three armored cars and two half @-@ tracks of the 73rd Battalion . 
