Both for tax reasons as well as hiding the end-beneficiaries, its common for international private jet buyers to initially register the plane in the U.S..
Before the airplane was acquired the company was purposely involved into deferred delivery government contracts valued at hundreds of US$ millions that needed end-user certificates, received a US government (MIL) clearance and paid a multi million US$ brokerage commission. A commission of which a small part was used to pay for the plane.
Look for the smaller deals justified by the cover of other large amount transactions
In April 2018 the airplane was flown to another continent and for three months extensively tested to see if it could meet its objective. Tests included and passed, to weaponize the plane and escape detection.
The plane returned to the U.S. in July 2018 where it is temporarily rented out as a medium range private jet charter, which incidentally also creates a steady and legal money flow in the U.S.
UPDATE on December 19, 2019, the aircraft left African airspace and entered European airspace Landing in France and The Netherlands on December 20
First published by Ultrascan Humint September 2018