ize ▁and ▁occup y ▁the ▁cr est . ▁Captain ▁Dave ▁Sever ance , ▁E ▁Company ' s ▁commander , ▁assemble d ▁the ▁remainder ▁of ▁Third ▁Pl ato on ▁and ▁other ▁members ▁of ▁the ▁batt alion ▁to ▁form ▁a ▁ 4 0 - man ▁pat rol ▁that ▁included ▁two ▁Navy ▁corps men ▁and ▁st ret cher ▁bear ers . ▁First ▁Lieutenant ▁Harold ▁Sch rier , ▁E ▁Company ' s ▁executive ▁officer , ▁volunte ered ▁to ▁lead ▁the ▁pat rol . ▁L t . ▁Sch rier ▁was ▁instruct ed ▁by ▁L t . ▁Col . ▁Ch and ler ▁to ▁raise ▁the ▁batt alion ' s ▁American ▁flag ▁on ▁top ▁if ▁he ▁could , ▁to ▁signal ▁that ▁the ▁sum mit ▁was ▁secure . ▁The ▁pat rol ▁left ▁about ▁ 8 : 3 0 . ▁Al ong ▁the ▁way ▁up ▁which ▁was ▁difficult ▁clim bing ▁at ▁times , ▁there ▁was ▁a ▁small ▁number ▁of ▁Japanese ▁sni per ▁sh ots . ▁When ▁L t . ▁Sch rier ▁and ▁his ▁men ▁reached ▁the ▁rim ▁of ▁the ▁vol cano , ▁there ▁was ▁a ▁sk irm ish ▁with ▁the ▁Japanese ▁which ▁they ▁soon ▁over c ame . ▁After ▁a ▁Japanese ▁iron ▁water ▁pipe ▁was ▁found ▁to ▁use ▁as ▁a ▁flag pole , ▁the ▁batt alion ' s ▁flag ▁was ▁tied ▁to ▁it ▁by ▁L t . ▁Sch rier , ▁Serge ant ▁Henry ▁Hans en , ▁and ▁Corpor al ▁Charles ▁Lind berg . ▁Once ▁the ▁flag ▁was ▁tied ▁on ▁and ▁the ▁flag st aff ▁taken ▁to ▁the ▁highest ▁place ▁on ▁the ▁cr