海上封锁,是以武力切断敌方从海上同外界联系的海上进攻作战,是夺取和保持制海权的重要手段。回顾二战以来外军的几次重大海上封锁行动,可以看到:海上封锁作战已由最初的只能达成战术、战役目的、发展到可以达成战略目的;海上封锁的形式已由单一的水面封锁,发展成水面、水下和空中一体的立体封锁,由单纯的封锁与拦阻,发展到封锁与打击相结合,由原来的近海封锁,逐步向远距离封锁或二者有机结合的封锁渡海;海上封锁力量也已由海 Sea blockade is a maritime offensive operation that uses force to cut off the enemy from the sea and contacts with the outside world and is an important means of seizing and maintaining sea-control rights. Looking back at several major sea blockades since the Second World War, it can be seen that the maritime blockade has evolved from the initial purpose of tactics and campaigns to achieve strategic objectives; the form of sea blockade has been blocked by a single water surface, Developed into a three-dimensional blockade of water surface, underwater and air, from a simple blockade and blockade to a combination of blockade and crackdown, from the original offshore blockade to the gradual closure to the long-range blockade or the organic combination of the two; the maritime blockade Power has also been by the sea