SONARS
| Date | Clue |
|---|---|
| 2026-06-26 | Ocean-mapping instruments |
| 2026-05-16 | Echolocation systems |
| 2020-05-15 | They make waves in the ocean |
| 2017-06-08 | They make waves in the ocean |
| 2008-05-25 | Sub systems |
| 2007-03-24 | Finding things? |
| 2002-01-07 | Submarine detection systems |
| 1996-08-05 | Submarine detection systems |