Historical clue formulations

• Early NASA program — 2024-08-11
• All-star duo? — 2021-03-28
• Late-spring arrival — 2015-12-26
• Early Cape Canaveral program — 2010-03-03
• John F. Kennedy or George H. W. Bush — 2007-03-24
• Sign after Taurus — 2002-07-29
• Program until 1966 — 2000-09-24
• May-June sign — 1996-04-22
• Sign of spring — 1995-10-15
• First U.S. spacewalk mission — 1995-05-17
• Twins in the sky — 1995-05-04