Historical clue formulations

• Standing at the ready — 2023-01-29
• Ready — 2022-08-26
• Standing guard — 2022-02-01
• Ready for trouble — 2020-08-13
• Primed — 2012-03-22
• Ready for action — 2009-02-08
• Ready for anything — 2005-01-20
• Having pricked ears — 2004-09-18
• Watching — 2004-08-20
• Standing guard — 2003-09-27
• Forewarned and ready — 2003-09-19
• Vigilant — 2001-04-14
• Ready for trouble — 2000-04-14
• Vigilant — 2000-03-10