▁of ▁Ol ten ▁Wal ters w il , ▁Ber ne , ▁a ▁municipality ▁in ▁the ▁district ▁of ▁Tra chsel wald ▁Wal ters w il , ▁Zug ▁( W al ters w il - Si hl bru gg ), ▁part ▁of ▁B aar <0x0A> </s> ▁US C GC ▁C aho one ▁( W PC / W SC / W ME C - 1 3 1 ) ▁was ▁an ▁ ▁of ▁the ▁United ▁States ▁Coast ▁Guard . ▁La unch ed ▁in ▁ 1 9 2 7 , ▁she ▁served ▁until ▁ 1 9 6 8 . ▁ ▁Class ▁history ▁ ▁This ▁class ▁of ▁vessels ▁was ▁one ▁of ▁the ▁most ▁useful ▁and ▁long - last ing ▁in ▁the ▁Coast ▁Guard ▁with ▁ 1 6 ▁cut ters ▁still ▁in ▁use ▁in ▁the ▁ 1 9 6 0 s . ▁The ▁last ▁to ▁be ▁de comm ission ed ▁from ▁active ▁service ▁was ▁the ▁ ▁in ▁ 1 9 7 0 ; ▁the ▁last ▁in ▁actual ▁service ▁was ▁the ▁, ▁which ▁s ank ▁after ▁an ▁accident al ▁collision ▁in ▁ 1 9 7 8 . ▁They ▁were ▁designed ▁for ▁trailing ▁the ▁" m other ▁ships " ▁along ▁the ▁outer ▁line ▁of ▁pat rol ▁during ▁Pro hib ition . ▁They ▁were ▁constructed ▁at ▁a ▁cost ▁of ▁$ 6 3 , 1 7 3 ▁each . ▁They ▁gained ▁a ▁reputation ▁for ▁dur ability ▁that ▁was ▁only ▁en hanced ▁by ▁their ▁re - eng ining ▁in ▁the ▁late ▁ 1 9 3 0 s : ▁their ▁original ▁ 6 - cy l