Rescue buoy (submarine)
Floating buoy, attached to a submarine and released in the event of a serious accident or sinking / From Wikipedia, the free encyclopedia
Not to be confused with Rescue buoy.
A submarine rescue buoy is a floating buoy, attached to a submarine and released in the event of a serious accident or sinking. The buoy remains attached to the submarine by a cable. Once on the surface it can indicate to rescuers the position of the submarine, and may include a telephone for communication with the trapped submariners.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Iranian_Kilo-class_diesel_submarine.jpg/640px-Iranian_Kilo-class_diesel_submarine.jpg)