Why does the U.S. military seem stymied in the war with Iran?

Key Points:

• Five and a half months into the war with Iran, the U.S. faces significant challenges including depleted advanced munitions stockpiles, vulnerability of bases in the Gulf region, and Iran's control over the Strait of Hormuz, limiting American military options.
• The U.S. has shortages particularly in long-range precision weapons and expensive defensive interceptors like Patriot and THAAD missiles, which are costly and slow to produce, affecting both offensive strikes and defense of allies.
• Iran effectively uses cheaper, long-range drones such as the Shahed 136, which have also been supplied to Russia, signaling a shift toward more cost-effective and proliferated drone warfare that the U.S. military is trying to adapt to with counter-drone tactics.
• The U.S. military's reliance on vulnerable regional bases has led to operational challenges, forcing deployments to more distant locations like Diego Garcia, complicating logistics and resupply efforts amid ongoing Iranian attacks.
• The conflict's strain on U.S. resources also raises concerns about readiness in other strategic areas, notably Taiwan's defense, as munitions depletion and force reallocations may limit the ability to deter or respond to other potential conflicts.