This US Modified 747 Can Stay Up in the Air For 1 Week ! Boeing E-4 in Action + C17 Air-Refueling
Close look inside the legendary Boeing E-4 Advanced Airborne Command Post which was designed to stay up in the air for a full week (refueled by aerial refueling) in case of an emergency event.
Last part of the video feature the air-refueling of a Boeing C-17 Globemaster III by a US Air-Force KC-135
Video Credit: US Air-Force ,Derivative Work by Daily Military Defense & Archive
Thumbnail Credit: US Air-Force , Derivative Work by Daily Military Defense & Archive
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