Historical clue formulations

• Military excursions — 2019-04-28
• Military forays — 2018-03-26
• Military movements — 2016-12-30
• Fighter pilots fly them — 2014-12-14
• Assaults — 2014-11-08
• Combat pilots' missions — 2012-12-25
• Sallies forth — 1998-08-21
• Forays — 1997-10-10