AEROSTAT
| Date | Clue |
|---|---|
| 2011-02-18 | Balloon, e.g. |
| 2009-08-16 | Balloon or blimp |
| 2002-09-29 | Balloon or dirigible |
| 1998-06-28 | Balloon or dirigible |
| Date | Clue |
|---|---|
| 2011-02-18 | Balloon, e.g. |
| 2009-08-16 | Balloon or blimp |
| 2002-09-29 | Balloon or dirigible |
| 1998-06-28 | Balloon or dirigible |