▁the ▁Battle ▁of ▁the ▁Bul ge ▁he ▁was ▁assigned ▁as ▁the ▁S - 4 ▁of ▁the ▁ 5 0 6 th ▁P IR ▁and ▁attempted ▁without ▁success ▁to ▁find ▁small ▁arms ▁am mun ition ▁for ▁his ▁unit . ▁Math es on ▁served ▁as ▁the ▁regiment al ▁log istics ▁officer ▁until ▁March ▁ 1 9 4 5 , ▁when ▁he ▁was ▁moved ▁to ▁the ▁position ▁of ▁Oper ations ▁officer . ▁L t . ▁Math es on ▁helped ▁lead ▁the ▁v angu ard ▁of ▁the ▁ 1 0 1 st ▁toward ▁Ber ch tes g arden ▁and ▁secured ▁the ▁surr enders ▁of ▁General ▁Hans ▁Spe idel ▁and ▁Field ▁Marshall ▁Albert ▁K ess ler ing . ▁ ▁In ▁ 1 9 4 9 , ▁Harry ▁W . ▁O . ▁K inn ard , ▁then ▁a ▁lieutenant ▁colon el , ▁and ▁Math es on , ▁then ▁a ▁major , ▁served ▁as ▁technical ▁advis ers ▁on ▁the ▁movie ▁Battle ground . ▁ ▁During ▁the ▁Korean ▁War , ▁Math es on ▁was ▁assigned ▁to ▁the ▁ 1 8 th ▁Air bor ne ▁Corps ▁and ▁the ▁ 1 st ▁Infantry ▁Division . ▁He ▁was ▁involved ▁in ▁am ph ib ious ▁land ings ▁at ▁In ch on , ▁South ▁Korea ▁and ▁W ons an , ▁North ▁Korea ▁and ▁in ▁the ▁am ph ib ious ▁withdraw al ▁from ▁Hung nam , ▁North ▁Korea . ▁In ▁early ▁ 1 9 5 1 , ▁Math es on , ▁then ▁a ▁major , ▁was ▁awarded ▁the ▁third ▁o ak ▁leaf ▁cluster ▁to ▁his ▁Bron ze