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US intelligence officials monitoring Israeli military preparations and political deliberations concluded that Netanyahu had moved past his historical pattern of yielding to American pressure. 

Sources familiar with the Trump's thinking describe his growing frustration with Iran's failure to provide immediate responses to American demands, ABC News reports. Trump appears highly reluctant to allow a situation where Tehran appears to have successfully challenged his military threats, according to these officials.

Additional intelligence sources by the NYT suggest Iran might deploy naval mines throughout the Strait of Hormuz during any conflict escalation, a strategy designed to trap American naval vessels within Persian Gulf waters.

The US military is sending additional fighter jets to the Middle East and extending the deployment of other fighter aircraft to strengthen American military forces in the region.