[2] PNS Muhafiz was sunk by a missile from INS Veer of the Indian Navy during the Indo-Pakistani War of 1971.

[4][5] During the Indo-Pakistani War of 1971, The minesweeper PNS Muhafiz was tasked to patrol the approaches to port of Karachi.

Late that evening on 4 December 1971, around 70 miles south of Karachi, the INS Veer detected a large Pakistan Navy target, later identified as the Muhafiz on patrol to its north.

Veer launched a single SS-N-2 Styx missile on the target, sinking Muhafiz.

[6] It was later learned that at 23:30 the Muhafiz was hit by Styx missiles, and sank in the Indian Ocean at about 23:35.