| UD039 | FMS 16-00139 | |
| 2023 | Trials use at Mesa, Arizona | Retained in USA for trials use |
| 24/07/2024 | Airfreighted into Mildenhall | Aboard C-5M 87-0030 “Reach2095“ |
| 26/07/2024 | Officially registered | |
| 31/07/2024 | Roaded to Wattisham | |
| 24/09/2025 | First UK flight at Wattisham | As “ArmyAir606“ |
| 13/10/2025 | Transferred to Middle Wallop | As “ArmyAir440“ |