So
If they weren't allowed to make test flights in the US, how has the model approved for the test flights already become obsolete? If they could more quickly did test flights in other countries with that model to the point that it evolved, why the need to do the iterative test flights in the US at all - just do the testing outside of the US to work out the bugs in the system, then bring their "final" model in for US testing.
Biting the hand that feeds IT
