![Titanic sub search: US Navy detected implosion-like sounds days ago](https://cdn.newsserve.net/en/knowledge/United-States-Navy_20190128.jpg)
Titanic sub search: US Navy detected implosion-like sounds days ago
The US Coast Guard are said to have used the information to narrow the search area.
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The US Coast Guard are said to have used the information to narrow the search area.
Full Article