<prompt> Ramba uchiverenga ndima ino - Sezvakanga zvaitwa, zvikwata 24 zveU.S. Navy muVietnam zvaiva neavhareji yematani 10 ezvombo, zvaiva zvirefu, zvaiva nezvikorekedzo zviviri, zvaifambiswa nemichina miviri yedhiziri ye64NH9, kumhanya kwazvo, zvaiva zvakapamhama, zvaifambiswa, uye zvaiwanzotakurwa nevarume 11. Apo South Vietnam yakawa  <response>: musi waApril 30, 1975, vatariri vose vakawira mumaoko omuvengi; vachisiya muponesi mumwe bedzi, mutariri anodzidzisa, uyo asina kutongosiya US. Kurovedza chitaridzi C-18 chiri kuratidzwa, pamwe chete nechimwe Swift Boat uye chimwe PBR paU.S. Naval Amphibious Base muCoronado, California. 