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- The Department of Transport warned people off exploring US shipwrecks in a notice Monday.
- All US shipwrecks are under MARAD's authority, it said, no matter where or when they sunk.
- Looting of old wrecks, as well as dangerous adventure tourism, has caused public alarm in recent weeks.
The Department of Transport has warned off would-be adventurers and salvage operators from exploring shipwrecks that fall under the authority of the United States.