Sam has his phones speaker turned on so that Callen, on the other side of the car, can also hear. As the camera keeps changing from Sam to Callen, the position of the phone changes.
If the Supertanker had left Venezuela, it wouldn't be from La Guaira because there are no oil exporting facilities at that port. It had to be Puerto la Cruz, Puerto Cabello, Amuay or Maracaibo.
Patrick and Elia Berkeley are brother and sister. But their driver's licenses on the screen in the OPS room show Elia is born only 2 1/2 months after her brother.