<prompt> Qedela umusho olandelayo: Ukususwa emsebenzini futhi wadluliselwa eSouth Vietnam ukuze asebenze eRepublic of Vietnam Navy ngo-23 Ephreli 1971, waqanjwa kabusha ngokuthi RVNS Can Tho HQ-801. Umkhumbi nethimba lawo babalekela ePhilippines ngesikhathi  <response>: ukuwa kukahulumeni waseNingizimu Vietnam, okwathi ngemva kwalokho ukugcinwa kwabelwa iRiphabhulikhi yasePhilippines. Waqanjwa kabusha ngokuthi i-BRP Kalinga Apayao LT-516 ukuze asebenze e-Philippine Navy. 