How Does The B-1 Bomber’s Wing Sweep System Work?

The Rockwell B-1 Lancer is one of three strategic bombers, besides the B-2 Spirit and the B-52 Stratofortress, used by the United States Air Force (USAF). Capable of carrying the heaviest payload of any USAF bomber (75,000 lbs, 34,000 kg), the aircraft took to the skies for the first time in 1974.