AGENA
| Date | Clue |
|---|---|
| 2019-10-15 | Old rocket stage |
| 2018-02-16 | It was boosted by Atlas |
| 2015-05-09 | It was boosted by Titan |
| 2013-12-06 | NASA's Gemini rocket |
| 2013-01-31 | Titan booster |
| 2011-08-18 | Onetime NASA booster |
| 2005-04-16 | NASA booster |
| 2002-05-03 | Booster |
| 2000-11-09 | Rocket stage |
| 2000-01-28 | Gemini program rocket |
| 1999-06-07 | Rocket type |
| 1998-12-21 | Rocket stage |
| 1998-01-13 | NASA satellite launcher |
| 1997-09-22 | 60's rocket stage |
| 1996-11-25 | Rocket stage |
| 1996-03-11 | Rocket stage |
| 1995-12-10 | Rocket stage |
| 1995-09-04 | Gemini rocket stage |
| 1994-10-27 | Rocket stage |
| 1994-10-14 | Rocket stage |
| 1994-05-29 | Satellite launcher |
| 1993-12-11 | Rocket stage |