“蛙人”是对水下战士的俗称。这种部队一般隶属于海军,主要任务是为海军登陆做侦察准备;对敌港内设施进行侦察、破坏;保卫专门水域;清除反登陆地雷或障碍等等。尽管水下作战鲜为人知,不像有些陆上特种部队那样“招摇”,但世界上许多国家和地区如俄罗斯、美国、德国、法国、英国、意大利、澳大利亚、 “Frogman” is a common name for underwater warriors. Such units are generally subordinate to the Navy. Their main task is to prepare for naval landing and reconnaissance; to reconnoiter and destroy facilities in the enemy's naval port; to defend specialized waters; to clear anti-landing mines or obstructions. Although underwater combat is notoriously unknown and unlike some land special forces forces, many countries and regions in the world such as Russia, the United States, Germany, France, the United Kingdom, Italy, Australia,