Following President Trump's recent airstrikes in Iran, both Democrats and some Republicans question his legal authority under the Constitution. While supporters cite Article II powers, critics highlight the need for Congressional consultation, adding complexity to the ongoing debate about executive military discretion.
The Constitutional Debate Over Trump's Iran Strikes

The Constitutional Debate Over Trump's Iran Strikes
Legal experts weigh in on the presidential authority behind Trump's military action against Iran amid mixed reactions from lawmakers.
In a recent development, President Donald Trump's decision to execute military strikes on Iranian nuclear facilities has ignited a heated discussion regarding his constitutional authority. Both Democrats and some Republican lawmakers are skeptical about the legality of the president's actions, with Congressman Thomas Massie labeling the strikes as "not Constitutional." Meanwhile, Congressman Warren Davidson noted the challenge in finding a constitutional rationale for such military action.
In defense of Trump, Speaker of the House Mike Johnson argued that the president acted in response to an imminent threat, asserting there is a long-standing tradition of military actions being undertaken without prior congressional approval by presidents of both parties. To clarify the constitutional implications, BBC Verify consulted legal experts on whether Trump's military actions were permissible under the U.S. Constitution.
The discussion centers on relevant clauses in the Constitution's Articles I and II. Article I grants Congress the power to "declare war," while Article II establishes that the president is the "Commander in Chief" of the armed forces. Proponents of the strikes claim that this commander-in-chief role provides the president with the authority necessary to safeguard national interests, such as preventing nuclear proliferation, which the Trump administration cited in its justification for the action.
Constitutional expert Claire Finkelstein from the University of Pennsylvania supports Trump's authority under these unique circumstances, stating, "Yes, he did have the authority here." Conversely, Andrew Rudalevige from Bowdoin College expressed skepticism, arguing that the strikes lacked the necessary context of an immediate threat to deem them legitimate under presidential powers.
Historical precedent shows that Congress has rarely invoked its war-declaring powers, with the last instance dating back to World War II. Legal advisors note that presidents have increasingly conducted military operations without seeking congressional approval, a trend that was discussed by John Bellinger, a former legal adviser during the Bush administration.
Former President Barack Obama, as well as President Biden, both authorized military actions without congressional consent, exemplifying this evolving interpretation of presidential authority. Speaker Johnson has highlighted these instances to argue for continuity in the executive's military prerogative.
Critics, however, point to the War Powers Resolution of 1973, designed to prevent unilateral military engagement by the president without legislative backing. While the law permits emergency actions, it stresses the importance of consulting Congress prior to military involvement.
Reports following the strikes have suggested that Trump did not fully comply with the War Powers Resolution, raising concerns among lawmakers regarding the lack of substantive engagement with Congress before the military action. Defense Secretary Pete Hegseth later stated that Congress was informed after the operations commenced, highlighting ongoing tensions regarding adherence to established protocols.
The unfolding legal arguments surrounding Trump's Iran strikes illustrate the complexities of U.S. military engagement and the balance of powers between the executive and legislative branches, prompting deeper scrutiny from both legal experts and political analysts.