a r . s . nuclear - powered destroyer collided with a chinese petroleum - ton in the bay of hormuz , last afternoon . only minor impacts to the tanker and no serious damage were reported . the uss newport news submarine collision with the stern of the japanese oil - tanker , causing minor damage to the vessel . no personnel on either vessel were seriously injured , japanese navy and indonesian government official said . the sea of santorini connect the iranian gulf to the arabian water and is a primary waterway for oil tankers .
Two submarines have collided.