CMDR
| Date | Clue |
|---|---|
| 2023-05-11 | U.S.N. rank below capt. |
| 2020-08-02 | Naval officer: Abbr. |
| 2016-12-11 | Spock's rank: Abbr. |
| 2016-03-05 | Spock, e.g.: Abbr. |
| 2013-06-04 | Mr. Spock's rank: Abbr. |
| 2011-08-18 | Nav. leader |
| 2010-04-25 | Naval officer: Abbr. |
| 2007-08-31 | U.S.N. position |
| 2006-12-01 | One reporting to a capt. |
| 2005-05-18 | U.S.N. rank |
| 2004-03-08 | Naval leader: Abbr. |
| 2004-01-06 | U.S.N. rank below Capt. |
| 2003-02-20 | Naval position: Abbr. |
| 1995-12-21 | U.S.N. rank |