Nyorera kuenderera kweiyi ndima - Munguva yehondo ya1971, aive mutungamiri wemaviri eArnala-kirasi anti-submarine corvettes INS Kiltan uye INS Katchall vaive chikamu cheboka rebasa rakarwisa Karachi Harbour musi wa4 Zvita 1971 panguva yeOperation Trident
. Ngarava mbiri idzi dzaiva nebasa rokukurukurirana uye kuongorora zvinangwa nemaradar avo aiva nepamusoro uyewo kudzivirira ngarava dzinorwisa ngarava dzepasi pemvura.