US Air Force releases B-21 refueling photos

The U.S. Air Force has released new photographs of its next-generation B-21 Raider stealth bomber undergoing aerial refueling tests. The images show the B-21 being refueled by a KC-135 Stratotanker during ongoing testing and evaluation at Edwards Air Force Base in California. The photos offer a rare public glimpse of the advanced aircraft in flight as it progresses through its development program.