er ▁had ▁visited ▁Wal lace ' s ▁forward ▁command ▁post ▁to ▁observe ▁the ▁progress ▁of ▁his ▁regiment . ▁While ▁Wal lace ▁brief ed ▁the ▁general ▁about ▁the ▁situation , ▁a ▁Japanese ▁art illery ▁shell ▁hit ▁nearby ▁cor al ▁rock ▁and ▁its ▁fragments ▁mort ally ▁wounded ▁the ▁general . ▁Wal lace ▁and ▁his ▁executive ▁officer , ▁Major ▁William ▁C . ▁Chamber lin , ▁remained ▁un har med . ▁ ▁The ▁ 8 th ▁Marine ▁Regiment ▁later ▁assault ed ▁I bar u ▁R idge ▁and ▁defeated ▁all ▁ent rench ed ▁Japanese ▁forces ▁there . ▁The ▁regiment ▁later ▁conquer ed ▁the ▁town ▁of ▁Mak abe ▁on ▁June ▁ 2 1 , ▁ 1 9 4 5 , ▁and ▁the ▁new ▁T enth ▁Army ▁Commander , ▁Lieutenant ▁General ▁Roy ▁S . ▁Ge iger , ▁declared ▁Ok ina wa ▁secured ▁during ▁the ▁following ▁day . ▁Wal lace ▁later ▁led ▁several ▁mo pping - up ▁operations ▁in ▁order ▁to ▁destroy ▁or ▁capture ▁remaining ▁minor ▁Japanese ▁units . ▁ ▁For ▁his ▁part ▁in ▁this ▁battle , ▁Wal lace ▁received ▁his ▁second ▁Leg ion ▁of ▁Mer it ▁with ▁" V " ▁Device ▁and ▁also ▁received ▁the ▁Navy ▁President ial ▁Unit ▁C itation . ▁ ▁Later ▁career ▁ ▁At ▁the ▁beginning ▁of ▁July ▁ 1 9 4 5 , ▁Wal lace ▁assumed ▁duties ▁as ▁the ▁chief ▁of ▁staff ▁of ▁the ▁ 5 th ▁Marine ▁Division ▁under ▁Major ▁General ▁Thomas ▁E . ▁Bour ke ▁and ▁took ▁part ▁in ▁the ▁occupation ▁duties ▁in ▁Japan . ▁Wal lace ▁was ▁later ▁decor ated ▁with ▁the ▁Bron