The US military has lost at least 81 aircraft since the war in Iran began. The loss includes planes, drones and helicopters. The total value of the lost equipment is estimated at $3.3 billion. The report comes from the Congressional Research Service. The war began in 2023 following a US drone strike in Iran. The strike killed a top Iranian general. Iran responded with missile attacks on US bases in Iraq. The US has since conducted airstrikes in response. The report highlights the scale of the US military losses. The losses include both manned and unmanned aircraft. The value of the lost equipment is based on current military procurement costs. The report does not specify which aircraft models were lost. The losses are part of a broader conflict between the US and Iran. The conflict has involved multiple rounds of airstrikes and missile attacks. The report is the first to detail the full extent of the US military losses. The findings are based on public data and military records. The report underscores the financial impact of the conflict. The losses represent a significant portion of US military spending. The conflict has raised concerns about regional stability. The report calls for a reassessment of military strategy in the region. The findings may influence future policy decisions. The conflict continues with ongoing tensions between the US and Iran.