<prompt> Pedzisa mutsara unotevera: Muchirimo cha 1975, mauto eNorth Vietnam akakunda kuchamhembe uye nechepakati peSouth Vietnam, uye pakupedzisira  <response>: Saigon yakawa pana April 30, 1975. Zvisinei, Kaputeni Kiem Do akanga aronga muchivande ndokuzoita kubviswa kwechikepe chezvikepe makumi matatu neshanu zveVietnam Navy nezvimwe zvikepe, zvine vafambisi vengarava zviuru makumi matatu, mhuri dzavo, uye vamwe vanhuwo zvavo vari muchikepe, uye vakabatana neU.S. Seventh Fleet pavakaenda kuSubic Bay, Philippines. Zvizhinji zvengarava dzeVietnam dzakazotorwa muPhilippine Navy, kunyange zvazvo LSM Lam Giang HQ-402, fuel barge HQ-474, uye gunboat Kéo Ngựa HQ-604 vakanyudzwa mushure mekusvika pagungwa rakavhurika uye kutumira mutoro wavo wevapoteri nevashandi vavo kune dzimwe ngarava. 