<prompt> Pedzisa mutsara unotevera: Yakadzingwa uye yakatumirwa kuSouth Vietnam kuti ishandire muRepublic of Vietnam Navy musi wa 23 Kubvumbi 1971, yakatumidzwa zita rekuti RVNS Can Tho HQ-801. Ngarava yacho nevashandi vayo vakatiza vachienda kuPhilippines munguva ye  <response>: kuwa kwehurumende yeSouth Vietnamese, pashure pokunge kuchengetwa kwacho kwaendeswa kuRepublic of the Philippines. Yakapiwa zita rokuti BRP Kalinga Apayao LT-516 nokuda kwebasa muPhilippine Navy. 