| Clue | Source | Date |
|---|---|---|
| High-level intelligence assets? | New York Times | 29 Nov 2025 |
| Surveillance aircraft are part of a counterspy plan, especially formulated (9) | ||
| Flyers with secret information? | Universal | 26 Nov 2023 |
| U-2 and others | Wall Street Journal | 02 Jul 2016 |
| You two, they say, could have been one of the famous ones |