The US Air Force's nuclear-capable next-generation stealth bomber, built by Northrop Grumman, accelerating toward 2027 fielding as the most on-schedule leg of US nuclear modernization.
The US Air Force's replacement for the 50-year-old Minuteman III ICBM, awarded to Northrop Grumman in 2020 and now 81% over budget at US$141 billion.
2026年6月，一名作战试验飞行员驾驶这款隐身轰炸机升空，空军正加速推进2027年在埃尔斯沃思基地的部署
这款耗资1,410亿美元的民兵导弹替代项目目标是2027年完成首次试射，但已延误数年，新建发射井是超支的主因