Poll finds majority of Americans doubt U.S. military action against Iran is worth it as Trump administration outlines Iran memorandum of understanding

President Donald Trump’s administration is moving ahead with a memorandum of understanding with Iran, and a new Quinnipiac University poll released Wednesday found that a majority of Americans say the U.S. military action underway as part of the months-long conflict is not worth it under the memorandum’s framework. The Hill reported that the survey asked Americans whether the terms of the U.S.-Iran framework arrangement “justify” U.S. military operations. According to the poll, about 6 in 10 respondents said the military action was not justified, indicating skepticism about the administration’s approach at a time when Washington says diplomacy is re-opening through the memorandum process. The White House said the memorandum was signed in recent days and described the initiative as part of an “America First” approach aimed at limiting Iran’s ability to obtain a nuclear weapon, among other objectives. A White House release dated June 19 said President Trump and Vice President JD Vance “secured a historic breakthrough” by signing the memorandum of understanding with Iran. The administration’s public framing ties the memorandum to practical effects, including re-opening the Strait of Hormuz to free navigation, according to the White House release. The memorandum, as described by the White House, is intended to shift the relationship toward negotiations, even while military operations have been ongoing during the broader conflict. The Quinnipiac survey’s findings point to a gap between the administration’s stated rationale for pursuing both pressure and a diplomatic framework and the views of many Americans about whether the costs of military operations are warranted. The Hill’s report emphasized the poll’s bottom-line result, that majorities oppose the idea that the framework’s terms justify continued U.S. military action. The next phase depends on whether talks progress under the memorandum framework and whether the administration adjusts its posture as negotiations develop. For the Trump administration, the practical test will be whether a diplomatic track can reduce conflict while addressing the administration’s stated national security concerns, including concerns about Iran’s nuclear ambitions and regional security. For Congress and the public, the poll underscores how foreign policy timelines and wartime decisions continue to be evaluated through domestic cost-benefit lenses, particularly when military operations are already under way. Any further shift in U.S. operations related to Iran would likely draw additional scrutiny from both policymakers and the electorate, especially on questions of justification and the relationship between negotiations and military pressure.