1971年12月3日,印巴战争爆发。尽管巴基斯坦海军处于绝对的劣势,但其以4艘潜艇勇敢地与强大的印度海军展开了激烈的海上交锋,其中“汉果尔”号潜艇单枪匹马大败印海军护卫舰的战斗,不仅沉重地打击了印度海军的嚣张气焰,而且还创造了二战后潜艇参战并以弱胜强的典型战例。 December 3, 1971, India and Pakistan war broke out. Despite its absolute disadvantage, the Pakistani navy bravely held fierce clashes with the mighty Indian Navy at four submarines. The “Hancul” submarine defeated Navy frigate alone and not only dealt a heavy blow The arrogance of the Indian Navy, but also created a World War II submarine war and the weak victory of the typical case.