| Clue | Source | Date |
|---|---|---|
| Base of operations | USA Today | 19 Apr 2017 |
| Base of operations | ||
| Corporate headquarters, say | USA Today | 24 Mar 2016 |
| Operational headquarters | ||
| Headquarters | ||
| Operational headquarters | ||
| Operational headquarters | ||
| Authority source | ||
| Operational headquarters | ||
| Control group, in anatomy. |