U.S. Military Drafts MOAB Strike Options for Iran
Planners consider the largest non-nuclear bomb to target nuclear facilities despite questions over deep-penetration capabilities.
Updated on Oct. 15, 2026 in Nuclear
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U.S. military planners have drafted strike options involving the GBU-43/B MOAB bomb to target Iranian nuclear facilities at Pickaxe Mountain. This development represents a shift toward using the military's largest non-nuclear air-blast weapon against a facility reportedly housing centrifuge components.
Why it matters
The planning highlights ongoing efforts to address concerns that Iran is rebuilding elements of its nuclear program. This strategic consideration underscores the risks of escalation in a region currently monitored by U.S. aerial surveillance.
The GBU-43/B MOAB weighs 21,600 pounds, including an 18,700-pound H6 explosive payload, and measures 9.1 meters in length. It is optimized for atmospheric overpressure rather than the deep kinetic penetration required to destroy hardened underground bunkers.
The players
Donald Trump
The current President of the United States who has authorized monitoring of Iranian nuclear sites.
United States military
The national armed forces responsible for drafting strategic strike options against foreign nuclear infrastructure.
The details
The MOAB, or Massive Ordnance Air Blast, is a GPS-guided weapon delivered from a C-130 Hercules aircraft. It functions as an air-blast munition designed to create high-pressure waves across large surface areas by detonating above ground. Because the bomb is not engineered to penetrate hardened subterranean facilities, its utility against fortified underground complexes like the site near Natanz remains a subject of military analysis.
Timeline
The U.S. previously deployed the MOAB against tunnels in Afghanistan in 2017.
Iran allegedly moved centrifuge components to Pickaxe Mountain in fall 2025.
On September 3, 2026, the U.S. announced active camera monitoring of the Pickaxe Mountain site.
On September 22, 2026, President Donald Trump publicly discussed the potential for a strike.
New military strike options were reported in October 2026.
The Tech Race
The potential use of the MOAB marks a departure from the 2017 U.S. MOAB deployment in Afghanistan, where the weapon targeted surface-level tunnel networks. Planners are now testing the limits of non-nuclear air-blast technology against deeply buried, hardened nuclear infrastructure.
The strike options drafted by U.S. planners remain in a consultative stage and would only be authorized if the current administration orders renewed combat operations. Potential regional instability or retaliatory measures could follow any military engagement involving the Strait of Hormuz.
The takeaway
The effectiveness of the GBU-43/B against deep-earth targets remains the key technical uncertainty in these strike scenarios. Observers should track any further public updates from the administration regarding the monitoring status of the Pickaxe Mountain facility.
Further reading
For broader insight into the evolution of deterrent capabilities, explore our Nuclear section.
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