▁men ▁fort ified ▁the ▁western ▁ ▁of ▁the ▁sector ▁and ▁the ▁ 1 6 4 th ▁soldiers ▁took ▁the ▁eastern ▁ ▁segment . ▁The ▁division ▁reserve , ▁the ▁ 3 rd ▁Battalion , ▁ 2 nd ▁Marine ▁Regiment ▁was ▁placed ▁directly ▁behind ▁Hall ' s ▁and ▁P ull er ' s ▁positions . ▁ ▁Mar uy ama ▁committed ▁his ▁reserve ▁force , ▁the ▁ 1 6 th ▁Infantry ▁Regiment , ▁to ▁Nas u ' s ▁left ▁wing ▁unit . ▁Begin ning ▁at ▁ 2 0 : 0 0 ▁on ▁ 2 5 ▁October , ▁and ▁extending ▁into ▁the ▁early ▁morning ▁hours ▁of ▁the ▁ 2 6 th , ▁the ▁ 1 6 th ▁and ▁what ▁remained ▁of ▁Nas u ' s ▁other ▁units ▁conducted ▁numerous ▁un success ful ▁front al ▁assault s ▁on ▁P ull er ' s ▁and ▁Hall ' s ▁lines . ▁U . S . ▁Marine ▁and ▁Army ▁rif le , ▁machine ▁gun , ▁mort ar , ▁art illery ▁and ▁direct ▁can ister ▁fire ▁from ▁ 3 7   mm ▁anti - t ank ▁guns ▁" wr ought ▁terrible ▁car n age " ▁on ▁Nas u ' s ▁men . ▁Colonel ▁T oshi ro ▁H iro y as u , ▁the ▁commander ▁of ▁the ▁ 1 6 th , ▁and ▁most ▁of ▁his ▁staff ▁as ▁well ▁as ▁four ▁Japanese ▁batt alion ▁command ers ▁were ▁killed ▁in ▁the ▁assault s . ▁Nas u ▁was ▁hit ▁by ▁rif le ▁fire ▁and ▁mort ally ▁wounded , ▁dying ▁a ▁few ▁hours ▁later . ▁A