| Clue | Source | Date |
|---|---|---|
| Line containing mirror image of outstanding secret identifier (8) | ||
| Roger, at times | Universal | 27 Jan 2021 |
| Overlord, for the Battle of Normandy | New York Times | 14 Jul 2019 |
| Secret term for a military operation | Eugene Sheffer | 10 Jul 2019 |
| Overlord, for the Battle of Normandy | ||
| Line holding up outstanding puzzle | ||
| It may not mean what you think |