<prompt> Bhala ukuqhubeka kwalesi sigaba - Ukhishwe futhi wadluliselwa eSouth Vietnam ukuze asebenze eRepublic of Vietnam Navy ngo-23 Ephreli 1971, waqanjwa kabusha ngokuthi RVNS Can Tho HQ-801. Lo mkhumbi nethimba lawo babalekela ePhilippines ngesikhathi kuwa uhulumeni waseNingizimu Vietnam  <response>: , okwathi ngemva kwalokho ukugcinwa kwayo kwadluliselwa eRiphabhuliki yasePhilippines. Waqanjwa kabusha ngokuthi i-BRP Kalinga Apayao LT-516 ukuze asebenze e-Philippine Navy. 