▁War ▁for ▁sub marine ▁construction , ▁but ▁closed ▁after ▁ten ▁years ▁due ▁to ▁severe ▁re cess ion ▁and ▁was ▁demol ished ▁by ▁National ▁Sh ip build ers ▁Sec ur ities ▁in ▁ 1 9 3 4 . ▁The ▁Fair field ▁West ▁yard ▁site ▁was ▁later ▁used ▁by ▁the ▁United ▁States ▁Army ▁Corps ▁of ▁Engine ers ▁in ▁ 1 9 4 4 ▁to ▁build ▁four ▁landing ▁craft . ▁ ▁In ▁ 1 9 2 4 , ▁the ▁company ▁bought ▁a ▁ship yard ▁at ▁Che p st ow ▁on ▁the ▁River ▁W ye ▁in ▁South ▁Wales , ▁previously ▁developed ▁as ▁National ▁Sh ip yard ▁No . 1 ▁in ▁the ▁First ▁World ▁War ▁and ▁then ▁taken ▁over ▁by ▁the ▁Mon mouth shire ▁Sh ip building ▁Company . ▁The ▁works ▁later ▁special ised ▁in ▁assemb ling ▁brid ges ▁and ▁other ▁major ▁structures . ▁ ▁In ▁the ▁ 1 9 5 0 s ▁the ▁yard ▁under w ent ▁a ▁major ▁£ 4   mill ion ▁modern isation ▁programme ▁which ▁was ▁implemented ▁slowly ▁over ▁a ▁period ▁of ▁ten ▁years ▁to ▁minim ise ▁dis ruption ▁to ▁the ▁yard . ▁In ▁ 1 9 6 3 , ▁the ▁Fair field ▁engine ▁building ▁division ▁merged ▁with ▁another ▁Lith gow ▁subs idi ary , ▁David ▁Row an ▁& ▁Company , ▁to ▁form ▁Fair field ▁Row an ▁Ltd . ▁So on ▁after ▁the ▁de cade ▁long ▁ship yard ▁modern isation ▁works ▁were ▁completed , ▁Fair field ▁Sh ip building ▁and ▁Engineering ▁Ltd ▁and ▁Fair field ▁Row an ▁Ltd ▁were ▁placed ▁into ▁receiver ship ▁and