The website's real-time counter is based on a Pentagon briefing to the US Congress on March 10, which stated that Washington had spent $11.3 billion during the first six days of hostilities in the Middle East NEW YORK, May 29. /TASS/. US spending on the military operation in Iran has exceeded $95.2 billion, the Iran War Cost Tracker reported. The website's real-time counter is based on a Pentagon briefing to the US Congress on March 10, which stated that Washington had spent $11.3 billion