The first-ever full upper view and in-flight refueling scenes of the U.S.’s next-generation stealth strategic bomber, the B-21 Raider, capable of carrying nuclear weapons, have been publicly released.

The move is a rare use of the probe-and-drogue method for in-flight refuelling by the US Air Force, which typically conducts such missions via a fuel transfer boom. The US Air Force (USAF) has ...