Almost four-fifths of the Terminal High Altitude Area Defense (THAAD) inventory and roughly half of Patriot interceptor stocks have been consumed since the war with Iran began on February 28, according to the investigation. RELATED: Trump Renews Threat to Maintain Naval Blockade Against IranConcerns over the financial toll of the Iran war have surfaced previously. The war of aggression has now stretched beyond five months and ranks among President Donald Trump’s administration foremost concerns. After multiple failed attempts to secure an agreement with Iran, Trump on Monday characterized the current negotiations as Tehran’s “last opportunity” to finalize a favorable deal ending the conflict, speaking to journalists in the Oval Office. Media reports say the US has used nearly all of its global stockpile of long-range precision missiles during the war on Iran, including ATACMS and Precision Strike Missiles.