SENTRY
| Date | Clue |
|---|---|
| 2023-06-11 | Guard |
| 2022-06-19 | Guard |
| 2022-04-26 | Who might say "Who goes there?" |
| 2022-03-05 | Halter? |
| 2009-04-04 | Ever-vigilant sort |
| 2005-09-04 | One whose speech is halting |
| 2005-01-19 | Halter? |
| 2004-03-17 | One who might issue a challenge |
| 2003-03-11 | "Halt!" caller |
| 2002-11-24 | Halter? |
| 2000-07-01 | Halter? |
| 1997-05-20 | Guard |
| 1996-01-08 | Guard |
| 1994-02-18 | Door stopper? |