The US Pentagon says the Iran war cost 33.4 billion dollars. That spending left shortfalls in strategic weapons and munitions . A US watchdog agency confirmed the munitions gap . It also counted the toll on arsenals and bases.

Oil prices may spike , by some energy experts' reckoning, as the conflict rattles oil shipping lanes in the Middle East. In China, oil throughput increased in August. Fuel exports rebounded in the same period.

Within Trump's US supporters, an age gap in views on the war has emerged. Older and younger groups take contrasting positions. The official toll was estimated at 33.4 billion dollars. The munitions shortfall stemmed from the conflict . The impact on military bases was part of the watchdog's review . The conflict has split supporters by age .