| Answer | Crossword Clue |
|---|---|
| NSA | Top-secret government grp. |
| UFOS | Subjects of a top-secret government cover-up, some believe |
| NSA | Top-secret grp. |
| NSA | Super-secret government org. |
| HRA | Government med. grp. |
| NSC | Secret grp. since 1947 |
| KGB | Former secret police grp. |
