11.   A captured North Korean submarine sank Tuesday as it was being towed into this naval base by a South Korean warship.

12.   A Japanese submarine sank it four days later.

13.   A surfacing Navy submarine sank a Japanese fishing trawler off the coast of Oahu on Friday.

14.   A suspected North Korean submarine sinks.

15.   Atomic submarines sank.

16.   Former navy commander Maj. Gen. Binyamin Telem said the submarine had probably sunk due to technical and human error.

17.   Nationally important structures are burning and strategically important submarines are sinking.

18.   Relatives of the nine people killed when a U.S. Navy submarine sank a high school fisheries training vessel complained Tuesday that punishment for the captain was too lenient.

19.   Tal said he did not know why the submarine sunk.

20.   The submarine sank below periscope depth, into the otherworldly serenity of still water, then shot up.