Test pilots and personnel from the 418th Flight Test Squadron, out of Edwards Air Force Base, California, conducted aerial refuelling testing with a KC-46 Pegasus and an E-4B Nightwatch, out of Offutt Air Force Base, Nebraska. The E-4B Nightwatch, an airborne command centre for the US President in times of war can be used as a flying command center.
Last month, the aircraft was seen in the skies over the UK as it accompanied President Joe Biden during a trip to Europe.
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