. ▁ ▁Civil ian ▁service ▁W addy ▁res igned ▁his ▁commission ▁in ▁ 1 9 7 4 ▁and ▁became ▁Military ▁Ad visor ▁to ▁West land ▁Hel ic op ters , ▁a ▁post ▁he ▁held ▁until ▁his ▁ret irement ▁in ▁ 1 9 8 9 . ▁Although ▁he ▁found ▁the ▁work ▁stim ulating , ▁W addy ▁was ▁fr ustr ated ▁by ▁the ▁Army ' s ▁lack ▁of ▁interest ▁in ▁the ▁hel ic opter . ▁ ▁When ▁production ▁of ▁the ▁movie ▁A ▁Bridge ▁To o ▁Far ▁began ▁in ▁ 1 9 7 5 , ▁W addy ▁was ▁given ▁six ▁months ▁leave ▁by ▁West land ▁to ▁act ▁as ▁chief ▁Military ▁Ad visor , ▁an ▁appointment ▁that ▁John ▁F rost ▁thought ▁was ▁ideal . ▁ ▁W addy ▁was ▁responsible ▁for ▁training ▁" Att en borough ' s ▁Private ▁Army ", ▁a ▁group ▁of ▁fifty ▁men ▁who ▁went ▁through ▁boot ▁camp ▁in ▁order ▁to ▁port ray ▁F rost ' s ▁men ▁at ▁Arn hem ▁Bridge ▁and ▁provide ▁the ▁back bone ▁of ▁the ▁extra ▁cast . ▁ ▁W addy ▁conf essed ▁to ▁being ▁deeply ▁concerned ▁by ▁the ▁actors ' ▁quality ▁at ▁first , ▁but ▁was ▁able ▁to ▁turn ▁them ▁into ▁men ▁who ▁looked ▁and ▁acted ▁the ▁part . ▁Although ▁there ▁was ▁little ▁that ▁W addy ▁or ▁his ▁fellow ▁military ▁consult ants ▁( who ▁included ▁F rost , ▁Roy ▁Ur qu hart , ▁James ▁M . ▁G av in , ▁Brian ▁Hor ro cks ▁and ▁J . O . E . ▁V ande leur ) ▁could ▁do ▁to ▁greatly ▁influence