The Pentagon’s Mysterious UFO Program (S21) | Ancient Aliens
| # | Entity ▲ | Mentions | View |
|---|---|---|---|
| 1 | 2009 | 1 | Details |
| 2 | 2017 | 2 | Details |
| 3 | decades | 1 | Details |
| 4 | December 16, 2017 | 1 | Details |
| 5 | eight years | 1 | Details |
| 6 | like five years | 1 | Details |
| 7 | the years | 1 | Details |
| 8 | years and years | 1 | Details |