The United States' war in Iran has reached $37.5 billion in costs. Defense Secretary Pete Hegseth sought urgent funding from skeptical lawmakers. This conflict strains the Pentagon's budget and risks military personnel matters. A fragile ceasefire collapsed, leading to daily strikes and troop casualties. President Trump threatens escalation and new targets in the ongoing conflict.

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The war with Iran has cost $37.5 billion so far, according to US Defense Secretary Pete Hegseth, but the bill is likely much higher, experts have told CNN.