United States Attack And Ballistic Nuclear Submarines

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…the fleet, a commissioning date is decided. These commissioning ceremonies usually take place in Groton, Connecticut or Norfolk, Virginia. It is evident that submarines have developed into better and more complex machines over the years. These submarines and their crews protect the "homeland" of the United States of America against anyone threatening to invade or attack. The United States Navy, because of these superior submarines is touted as the most powerful fleet in the world.