U.S. Resumes Military Action Against Iran Following Ceasefire Collapse

The United States formally notified Congress on July 10 that military operations against Iranian targets resumed on July 7, effectively ending a months-long ceasefire. According to a letter obtained by CBS News, President Trump authorized the strikes in response to Iranian attacks on commercial vessels in the Strait of Hormuz. The administration maintains that these actions are limited and designed to protect U.S. forces and regional shipping routes.

Legal Basis and War Powers Compliance

Under the War Powers Resolution of 1973, the executive branch is required to notify Congress within 48 hours of initiating military hostilities. While the White House submitted a notification during the initial escalation in February, officials previously argued that those hostilities had “terminated” when a ceasefire was signed in April. The administration’s latest letter to Senate President Pro Tempore Chuck Grassley asserts that the current strikes are a necessary response to violations of that prior memorandum of understanding, which required Iran to facilitate safe transit through the Strait of Hormuz.

The legal framework remains a point of contention between the White House and lawmakers. The War Powers Resolution restricts military engagements to 60 days unless Congress provides formal authorization, with a potential 30-day extension for troop withdrawal. The Trump administration has consistently maintained that this provision is unconstitutional. However, some members of Congress, including Rep. Thomas Massie, have publicly challenged the administration’s interpretation. Massie stated that the conflict “never stopped” and criticized the White House for attempting to “restart the clock” on the 60-day limit.

Congressional Response and Legislative Efforts

The resumption of hostilities has triggered immediate pushback from Capitol Hill. Democratic Sen. Adam Schiff of California announced the introduction of a new war powers resolution intended to compel the removal of U.S. forces from the conflict. Schiff rejected the administration’s claim that the 60-day clock was reset by the April ceasefire, noting that the agreement did not end the exchange of fire between the two nations.

Last month, both the House and Senate passed resolutions aimed at limiting the President’s authority to conduct military action against Iran without explicit congressional approval. While the Senate later rejected a similar measure—with some Republicans citing a desire to allow diplomatic efforts to succeed—the current collapse of negotiations and the return to active strikes have clouded the outlook for future bipartisan cooperation on the issue.

Strategic Objectives in the Gulf

The White House letter defines the current military strategy as “limited, measured, planned, and executed in a manner designed to minimize civilian casualties.” The primary targets include Iranian military infrastructure that the administration claims poses a direct threat to U.S. assets and commercial shipping. According to the document, the U.S. Armed Forces remain postured for further action to ensure that Iran ceases its activities against the United States and its regional allies.

This escalation follows a series of incidents in the Strait of Hormuz, where Iranian authorities have demanded that vessels obtain permission and utilize specific routes to navigate the waterway. In response to U.S. strikes, Iranian forces have launched missiles and drones at U.S.-allied Gulf states, signaling a broader regional volatility. With President Trump expressing pessimism regarding the future of diplomatic negotiations, the administration’s focus has shifted toward military posture as the primary tool for addressing Iranian behavior.