United States Evaluates Largest Conventional Bomb for Potential Iran Operations

2026-10-15 global

Washington, Thursday, 15 October 2026.
The Pentagon has updated military options to potentially include the 9,800 kg MOAB against Iranian targets. Analysts highlight its primary utility as psychological leverage rather than deep underground penetration.

Strategic Capabilities and Operational Targets

The Pentagon has updated military options to potentially include the 9,800 kg MOAB against Iranian targets [8]. Analysts highlight its primary utility as psychological leverage rather than deep underground penetration [1]. The GBU-43/B Massive Ordnance Air Blast is the largest non-nuclear weapon in the United States arsenal, weighing approximately 9,798 kg [3]. Military strategy documents indicate the attack would occur prior to US retrograde in CENTCOM AOR, suggesting a potential strike followed by an immediate withdrawal of US forces from the region [1]. However, military experts question the tactical viability of the MOAB against deep underground nuclear sites, noting it is not a deep-penetration warhead [1]. Instead, the US is evaluating the MOAB primarily as a massive information operation tool to achieve psychological effects on Iran [1]. This aligns with the weapon’s history, as President Trump authorized the first combat deployment of a MOAB in 2017 against ISIS positions in Afghanistan [8].

Economic Implications and Regional Stability

Regional defense posture changes introduce significant geopolitical risk for global energy markets and supply chain routes through the Strait of Hormuz [3]. The Strait of Hormuz, which previously carried over 20% of global crude and LNG supplies, remains closed [6]. Global crude oil prices rose from approximately $72 per barrel pre-war to nearly $120 per barrel earlier in 2026, trading at approximately $104 per barrel as of 15 October 2026 [6]. This represents a price increase of 44.444 percent from pre-conflict levels [6]. Tensions were further elevated when a container ship sank in the Strait of Hormuz on 14 October 2026 [3]. Iranian attacks on shipping in the Strait have surged to the highest level since the war began, with UK Maritime Trade Operations recording 15 attacks between 6 and 14 October 2026 [6]. Tehran is reinforcing defenses around sensitive nuclear and energy infrastructure in anticipation of potential US attacks [3].

Political Timelines and Electoral Context

President Donald Trump stated on Truth Social he will not attack Iran before the 2026-11-03 midterm elections [6]. This contradicts his September 2026 statement that conflict would end immediately after the elections [6]. The ongoing conflict has become deeply unpopular with voters, as evidenced by a CNN poll released on 22 September 2026 [8]. President Trump has resisted pressure from outside allies to withdraw troops, arguing that such a move would be perceived as defeat [8]. However, he recently said that strikes against Iranian targets may have gone a little too far [5]. White House advisers held meetings over the several weeks preceding 14 October 2026 to evaluate various Iranian strike options [8]. A turnover of US troops in CENTCOM is expected within the next few weeks, with officials acknowledging that some departing personnel may not be replaced [8].

Sources

Geopolitics Defense