B-21

 MSN: U.S. to unveil B-21 Raider, its new stealth bomber new stealth bomberU.S. to unveil B-21 Raider, its new stealth bomber new stealth bomber

China is on track to have 1,500 nuclear weapons by 2035, and its gains in hypersonics, cyber warfare, space capabilities and other areas present "the most consequential and systemic challenge to U.S. national security...