Pedzisa mutsara unotevera: "Ambuscade" yakashanda sehwaro hwekugadzirwa naYarrow kwema s ayo akashanda muPortuguese Navy ("Marinha Portuguesa") kubva muna 1933 kusvika muna 1967. Ngarava shanu dzakarayirwa nePortugal muna 1932. Yokutanga miviri, NRP "Douro" uye "Tejo", iyo yakaiswa pasi musi wa 9 June 1932, yakatengeswa kuColombia Navy vasati vapedza muna 1933. Ikoku kwakanga kuri kupindura
Hondo yeColombia nePeru. Zita uye "Caldas" zvichiteerana, ivo vakashandira maColombia se. Dzimwe ngarava mbiri dzakarayirwa nePortugal Navy kuti dzivatsive. Zvikepe zviviri zvakavakwa paYarrow's shipyard muClydebank, Scotland, uye zvimwe zvose muLisbon nemichina yeYarrow.