a u . s . nuclear - powered submarine collided with a soviet gasoline - tanker in the harbor of hormuz late previous nighttime . only minor damage to the tanker and no serious injuries were reported . the uss port news diver collided with the stern of the japanese oil - refinery , bringing substantial damage to the vessel . no individuals on either aircraft were gravely ill , us navy and japanese government members say . the sands of strategically ties the persian sea to the arabian desert and is a major waterway for oil tankers .
Two submarines have collided.