| 2026-03-22 | Captain's subordinate: Abbr. |
| 2026-03-08 | Burnable storage unit, in brief |
| 2025-07-20 | Navy submarine head: Abbr. |
| 2024-08-29 | Obsolescent data storage option, for short |
| 2022-03-08 | Rank below capt. |
| 2015-10-09 | Burnable medium, briefly |
| 2015-03-24 | Navy rank below capt. |
| 2014-01-11 | Burnable medium, briefly |
| 2013-01-15 | Burnable data holder: Abbr. |
| 2012-06-17 | Mil. leader |
| 2009-02-04 | Mil. leader |
| 2005-02-19 | Digital file holder: Abbr. |
| 2005-01-09 | Spock, e.g.: Abbr. |
| 2001-12-29 | Spock, e.g.: Abbr. |
| 2001-08-05 | Mil. chief |
| 2000-06-15 | U.S.S. Enterprise officer: Abbr. |
| 2000-02-02 | Naval off. |
| 1996-07-03 | Mil. chief |
| 1996-03-06 | Rank below capt. |
| 1995-04-14 | Rank below capt. |
| 1995-03-18 | Rank below capt. |