▁March . ▁On ▁ 1 4 ▁April ▁Sem in ole ▁assist ed ▁in ▁the ▁rescue ▁of ▁ 2 8 ▁surv iv ors ▁of ▁SS ▁Silver ▁Pe ak , ▁which ▁had ▁been ▁run ▁a ground ▁by ▁ty ph oon ▁" V io let ." ▁ ▁Sem in ole ▁participated ▁in ▁Operation ▁Be aver ▁C age , ▁an ▁am ph ib ious ▁and ▁hel ic opter ▁bor ne ▁assault ▁in ▁support ▁of ▁the ▁ 1 st ▁Marine ▁Division ▁from ▁ 2 8 ▁April ▁to ▁ 1 3 ▁May . ▁Pl anning ▁comm enced ▁immediately ▁for ▁Operation ▁Beau ▁Char ger , ▁an ▁am ph ib ious ▁and ▁hel ic opter ▁assault ▁for ▁a ▁search ▁and ▁destroy ▁operation ▁near ▁the ▁DM Z . ▁This ▁operation , ▁executed ▁▁ 1 8 – 2 2 ▁May , ▁inf lic ted ▁losses ▁upon ▁the ▁enemy ▁in ▁an ▁area ▁he ▁had ▁considered ▁his ▁san ctu ary . ▁ ▁On ▁ 1 8 ▁June , ▁Operation ▁Be acon ▁Tor ch ▁was ▁launched ▁near ▁H ộ i ▁An . ▁ ▁After ▁dis rupt ing ▁enemy ▁base ▁areas , ▁fort ifications , ▁and ▁lines ▁of ▁communic ations , ▁the ▁ 5 th ▁Marine ▁Regiment ▁was ▁with dra wn ▁on ▁ 2 ▁July ▁and ▁inserted ▁just ▁south ▁of ▁the ▁DM Z ▁to ▁help ▁counter ▁an ▁ur gent ▁North ▁Vietnam ese ▁threat ▁in ▁Operation ▁Bear ▁Track , ▁ 4 ▁July ▁through ▁the ▁ 1 7 th . ▁Three ▁days ▁later , ▁Operation ▁Bear ▁Ch ain ▁was ▁launched ▁against ▁enemy ▁strong holds ▁south ▁of ▁Hu ế ,