The US military has drawn up new strike plans against Iran that include potentially using the GBU-43/B Massive Ordnance Air Blast Bomb (MOAB), nicknamed the “mother of all bombs,” according to a report from CNN.
The MOAB is the most powerful non-nuclear bomb in the US arsenal and has been used only once before in a strike on a village in Afghanistan’s Nangarhar province in 2017. The US said the strike killed dozens of ISIS-K fighters, and the now-defunct US-backed Afghan government said no civilians were killed because they evacuated due to the ISIS occupation. But since returning, the residents have dealt with environmental effects and the damage from the attack, which destroyed about 30 civilian homes.
The MOAB is about 30 feet long, and due to its size, it must be dropped from a C-130 cargo aircraft close to the intended target, meaning that any MOAB strike on Iran would be vulnerable to Iranian air defenses.
The CNN report said that the potential target of the MOAB includes Iranian energy infrastructure, with one source telling the outlet that President Trump ordered the military to develop additional strike packages against Iranian targets that include “a lot of energy infrastructure” and the potential use of a MOAB.
The other potential target is Iran’s Pickaxe Mountain, known in Iran as Kolang Kouh. The US and Israel have alleged there may be nuclear activity underneath the mountain, allegations that Iranian officials have denied. The problem with a MOAB strike is that it is designed for a massive surface-level blast, not for penetrating underground like the GBU-57 Massive Ordnance Penetrator (MOP), the bunker-busting bomb that the US dropped on Iranian nuclear facilities in June 2025, which is heavier than the MOAB but carries less explosive.
Sources speaking to CNN said a potential MOAB strike could be more of a psychological operation. “POTUS has unfortunately put himself in a situation where he is almost compelled to do something and, without the ammunition designed to penetrate that level … you have to look at psychological effects for which the MOAB is well-equipped,” a source familiar with the planning told the outlet.
Any MOAB strike could result in devastating civilian casualties since the bomb has the power to destroy nine city blocks. The CNN report said that some US officials have warned that dropping the massive bomb was unlikely to force Iran’s capitulation or achieve a strategic military victory.
