The PNS Ghazi, one of Pakistan's most significant naval assets, met its demise during the Indo-Pakistani Naval War, specifically while engaged in surveillance and combat operations against the Indian Navy. Launched in 1963 and originally an American-made submarine, the Ghazi was a key player in Pakistan's naval ambitions. As tensions escalated in the region, particularly due to the ongoing conflict over East Pakistan, the submarine was dispatched to gather intelligence and possibly disrupt Indian naval supply lines. Unfortunately, days into its mission, the Ghazi sank under mysterious circumstances near the city of Vishakhapatnam. The incident involved both operational challenges and strategic miscalculations, leading to the conclusion that the submarine may have accidentally detonated its own mines or suffered from mechanical failure. This loss was felt deeply within the Pakistan Navy and was a critical blow during a time of heightened military conflict.

The sinking of the PNS Ghazi not only symbolized the fierce rivalries at sea but also pointed to the evolving nature of naval warfare during this period. The Indo-Pakistani Naval War of 1971 was primarily characterized by aerial and naval confrontations, and the Ghazi's sinking underscored the inherent vulnerabilities of underwater warfare. With the Indian Navy exercising greater control over naval operations, the loss of the Ghazi represented a turning point, marking a significant moment in naval strategy in the conflict. Investigations into the sinking have suggested various theories, but no definitive conclusion has emerged. The event remains a significant part of Pakistan's naval history.