a u . s . nuclear - armed sub collided with a soviet oil - tanker in the ports of hormuz shortly last afternoon . only severe damage to the tanker and no serious fatalities were reported . the uss international roads submarine collided with the back of the japanese oil - tanker , causing no damage to the tanker . no personnel on either aircraft were seriously injured , american national and italian government officials responded . the channel of hormuz connections the ottoman horn to the arabian sea and is a major waterway for oil barges .
Two submarines have collided.