▁served ▁over se as , ▁and ▁was ▁dem obil ised ▁early ▁in ▁ 1 9 1 9 . ▁ ▁The ▁ 3 / 1 st ▁London ▁Brigade ▁moved ▁to ▁B ury ▁St ▁Edmund s , ▁and ▁was ▁soon ▁rec ru ited ▁back ▁to ▁full ▁strength ▁after ▁the ▁departure ▁of ▁the ▁Pro vis ional ▁Battalion . ▁It ▁absor bed ▁large ▁draft s ▁of ▁rec ruits ▁under ▁the ▁Derby ▁scheme ▁in ▁February ▁ 1 9 1 6 , ▁and ▁in ▁June ▁it ▁moved ▁into ▁camp ▁outside ▁I ps wich . ▁That ▁month ▁the ▁batt alion ▁was ▁ren umber ed ▁to ▁replace ▁the ▁dis band ed ▁ 2 / 4 th ▁B n ▁( see ▁above ). ▁▁ 4 / 4 th ▁Battalion ▁The ▁ 4 / 4 th ▁Battalion ▁was ▁formed ▁in ▁June ▁ 1 9 1 5 ▁to ▁train ▁draft s ▁for ▁the ▁two ▁batt al ions ▁already ▁serving ▁over se as ▁and ▁the ▁ 3 / 4 th ▁B n ▁prepar ing ▁to ▁go ▁over se as ▁in ▁ 5 8 th ▁Division . ▁It ▁was ▁organ ised ▁in ▁three ▁companies , ▁ ▁A ▁and ▁B ▁for ▁the ▁reception ▁and ▁training ▁of ▁rec ruits , ▁and ▁C ▁( the ▁' Exp ed ition ary ▁Company ') ▁ ▁giving ▁ref res her ▁training ▁for ▁wounded ▁men ▁returning ▁to ▁service . ▁A ▁number ▁of ▁former ▁Gu ards men , ▁City ▁of ▁London ▁Police ▁officers , ▁and ▁members ▁of ▁En field ▁R if le ▁Club ▁were ▁appointed ▁as ▁instruct ors . ▁The ▁batt alion ▁took ▁over