Historical clue formulations

• The Enterprise, for example — 2017-05-15
• Vehicle that's out of this world? — 2013-01-27
• Sci-fi vehicle — 2012-10-13
• Sci-fi carrier — 2005-06-19
• Enterprise, e.g. — 1998-09-26
• U.S.S. Enterprise, e.g. — 1995-01-22