a u . s . nuclear - powered submarine collided with a german oil - tanker in the straits of hormuz late first day . only minor damage to the tanker and no mortal injuries were noted . the uss newport news submarine collided with the stern of the iranian oil - tanker , producing minor damage to the wreck . no personnel on either vessel were seriously wounded , us dod and japanese government officials stated . the straits of hormuz linking the persian gulf to the arabia gulf and is a major waterways for oil tankers .
Two submarines have collided.