On two occasions, Claudia refers to her late husband as "my ex-husband". Unless they were divorced or had the marriage annulled, the correct reference would be either "my late husband" or more simply "my husband".
The cars driven were all American style, steering wheel on the opposite side from European cars. Everyone drove on the right side of the road as well.
The planes in the background at the airstrip had USA "N" numbers. The plane used in the action had a fake Italian registration.