1 st ▁US ▁Infantry ▁managed ▁to ▁clear ▁Ch ip illy ▁village ▁and ▁ 1 7 3 rd ▁B de ▁finally ▁dis l od ged ▁the ▁def enders ▁from ▁the ▁r idge . ▁ ▁The ▁batt al ions ▁had ▁lost ▁heavily ▁over ▁the ▁two - day ▁battle , ▁and ▁at ▁one ▁point ▁ 2 / 4 th ▁B n ▁had ▁five ▁acting ▁CO s ▁in ▁ 1 2 ▁hours . ▁Between ▁ 1 0 ▁and ▁ 2 2 ▁August ▁they ▁was ▁brought ▁up ▁to ▁strength ▁with ▁large ▁draft s ▁from ▁various ▁London ▁batt al ions ▁and ▁some ▁season ed ▁soldiers ▁from ▁ 1 4 th ▁( Light ) ▁Division . ▁ ▁B apa ume ▁The ▁Second ▁Battle ▁of ▁B apa ume ▁opened ▁on ▁ 2 2 ▁August ▁and ▁was ▁continued ▁with ▁a ▁night ▁attack ▁on ▁ 2 3 / 2 4 ▁August , ▁in ▁which ▁ 1 7 3 rd ▁B de ▁supported ▁ 1 7 5 th ▁B de ▁and ▁ 4 7 th ▁Division . ▁A ▁dawn ▁attack ▁on ▁ 2 5 ▁August ▁found ▁the ▁German ▁positions ▁empty , ▁and ▁ 2 / 4 th ▁Lond ons ▁was ▁sent ▁forward ▁with ▁a ▁Tro op ▁of ▁the ▁North umber land ▁H uss ars ▁and ▁sections ▁of ▁the ▁Royal ▁Field ▁Art illery ▁and ▁Machine ▁Gun ▁Corps ▁as ▁an ▁advanced ▁guard ▁to ▁re - est ab lish ▁contact ▁with ▁the ▁enemy . ▁In ▁these ▁unusual ▁conditions ▁of ▁open ▁war fare , ▁the ▁batt alion ▁march ed ▁in ▁column ▁up ▁a ▁road ▁until ▁the ▁caval ry