Historical clue formulations

• Coast Guard rank — 2025-12-24
• Typical graduate of Starfleet Academy — 2020-07-04
• Navy rank below lieutenant — 2019-10-29
• Flag — 2018-12-05
• Standard — 2014-03-28
• Naval flier — 2013-04-14
• Banner — 2010-05-21
• Junior naval officer — 2009-11-09
• Annapolis graduate — 2008-09-25
• Naval banner — 2007-02-20
• Coast Guard rank — 2005-12-26
• Academy graduate — 2003-01-16
• Naval standard — 2002-02-05
• Banner — 2002-02-02
• Naval Academy grad — 2000-06-20
• Navy flier? — 1999-07-14
• Banner — 1999-05-01
• Nationality indicator — 1998-11-22
• Badge — 1995-12-17
• Flag — 1995-06-15