U.S. Secretary of Defense Pete Hegseth faced questioning from lawmakers this week regarding the conduct and escalating costs of the U.S. war with Iran.

The hearings highlight growing congressional scrutiny over the financial and strategic burden of the conflict as the Pentagon releases updated expenditure estimates.

Secretary Hegseth appeared before the Senate Armed Services Committee on Tuesday and continued his testimony before the House Armed Services Committee on Wednesday. During the two days of hearings, lawmakers grilled the defense secretary for nearly six hours on the military's operations and the trajectory of the conflict.

Central to the questioning was the financial impact of the engagement. The Pentagon estimates that the U.S. war with Iran has cost $25 billion so far [1], [2], [3], [4]. Lawmakers sought specific answers on how these funds were allocated and whether the current strategy is achieving its intended objectives.

Representatives and senators focused on the escalating nature of the military involvement. The hearings served as a forum for legislators to challenge the administration on the sustainability of the war and the potential for further cost increases.

Throughout the proceedings, Hegseth defended the administration's approach to the conflict. He addressed inquiries regarding the operational conduct of the military and the strategic necessity of the current U.S. presence in the region.

The Pentagon estimates that the U.S. war with Iran has cost $25 billion so far.

The disclosure of a $25 billion price tag for the conflict in Iran creates a significant political opening for critics of the administration's foreign policy. By focusing on the financial cost, lawmakers are shifting the debate from strategic necessity to fiscal accountability, potentially complicating future funding requests for the Department of Defense.