 Nyorera kupfuurira kweiyi ndima - Pakati pa1967 na1971, vese vatatu vanoparadza vakashandurwa kuburikidza nekuendeswa kuHondo yeVietnam: Perth uye Hobart yakashandiswa katatu, nepo Brisbane yakangoita nzendo mbiri chete. Mukati mekuparadzirwa uku, vanoparadza vakabatanidzwa muUnited States Seventh Fleet. Ngarava nhatu dzacho dzainyanya kuita basa rekutsigira pfuti dzehondo, asi dzaiitawo basa rekuongorora vatakuri vemhepo vekuAmerica, uye dzaibatanidzwa muMarket Time neSea Dragonmashandiro, ayo ose ari maviri aiva nechinangwa chokudzivisa mauto eNorth Vietnamese uye kufamba kwezvinhu negungwa. Mukati mokuparadzirwa uku, Perth yakakuvadzwa nemapurisa eNorth Vietnamese muna October 1967, uye Hobart akarwiswa netsaona neUnited States Air Force ndege muna June 1968. 