a u . s . nuclear - energy submarine interfered with a japanese sea - tanker in the straits of hormuz during last night . only minor damage to the tanker and no serious injuries were described . the lady newport news submarine collided with the stern of the japanese coal - tanker , producing minor impact to the ship . no personnel on either vessel were seriously injuring , us navy and other marine officials said . the harbor of hormuz connect the iraqi gulf to the arabian sea and is a large resource for petroleum tankers .
Two submarines have collided.