Meanwhile , 5 miles ( 8 @.@ 0 km ) north of Agok and A Company 's position , B Company , 9th Infantry , held a similar position on Hill 209 overlooking the Paekchin ferry crossing of the river . This ferry was located at the middle of the Naktong Bulge where the Yongsan road came down to the Naktong and crossed it . The US 2nd Infantry Division had planned a reconnaissance mission to start from there the night of August 31 , the same night that the NK I Corps offensive rolled across the river .