An Army ammunition plant in southeast Oklahoma is being expanded to at least triple monthly production of the US’s biggest non-nuclear bomb, a weapon often invoked in debates about a potential attack on deeply buried nuclear facilities in Iran or North Korea.
The 30,000-pound Massive Ordnance Penetrator, known as a bunker-buster, can be dropped only from a B-2 stealth bomber. It’s far bigger than the unguided 2,000-pound (900-kilogram), explosives that the Biden administration has postponed sending to Israel out of concern for civilian casualties in its war to defeat Hamas in Gaza.
The facility under construction at the 70-square-mile (181-square-kilometer) ...