Historical clue formulations

• Certain "Top Gun" jets — 2025-04-03
• Soviet fighter jets — 2021-10-01
• Cold war fighters — 2013-01-27
• "Top Gun" planes — 2010-01-31
• Russian fighter jets — 2003-05-26
• Korean War sights — 2002-04-21
• Cold-war fighters — 1994-01-25
• A little over a million dollars? — 1994-01-16