| Clue | Source | Date |
|---|---|---|
| Destination for an underwater drone, perhaps | Wall Street Journal | 10 Sep 2022 |
| Titanic, e.g | The Washington Post | 13 Oct 2020 |
| Titanic, e.g | LA Times Daily | 13 Oct 2020 |
| Diver's big find | ||
| Source of ocean treasure, perhaps | ||
| Source of ocean treasure, perhaps |