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 2010 US-Russia strategic-arms treaty that capped deployed warheads at 1,550 and ran an on-site inspection regime until its lapse in February 2026, ending 50 years of bilateral nuclear limits.
The spread of nuclear weapons beyond the five original powers, now covering nine states and 12,187 warheads globally, and the defining fault line of post-Cold War security diplomacy.
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
路透社在Hami洲际弹道导弹发射井附近发现80余个发射台、掩体及八角形指挥设施
莫斯科可加载数百枚核弹头，但四个月过去仍未见大规模突破性扩充
一项美国协议可能允许沙特铀浓缩，与巴基斯坦签署的新防务协议重新引发核扩散旧忧
为两大核武库设定上限的最后一份条约于2026年2月5日失效，既无后继条约，也无核查
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