US-Iran MoU and Israel’s Lebanon offensive: A growing rift

The Trump administration is openly frustrated with Israel's continued military operations in Lebanon, complicating the US-Iran ceasefire agreement.

The Trump administration has publicly expressed its frustration with Prime Minister Benjamin Netanyahu’s ongoing military campaign in Lebanon. This tension arises as the recently opened memorandum of understanding (MoU) between the United States and Iran calls for the permanent termination of military operations in the region, including Lebanon.

However, Israel has not halted its attacks, creating a significant diplomatic challenge.

The Israeli military continues its deadly strikes and advances in Lebanon, claiming nearly 20 percent of the country’s territory. The Trump administration has made its displeasure clear, with President Donald Trump emphasizing the importance of a complete ceasefire in a social media post.

He highlighted the positive market reactions to the potential peace deal but stressed the need for all parties to comply with the agreement.

The Role of Lebanon in the US-Iran Ceasefire

Lebanon has become a critical point of contention in the ceasefire negotiations.

Iran has repeatedly stated that it will not finalize a ceasefire deal while Lebanon remains under attack. This condition was evident when talks between the United States and Iran were postponed following Israeli attacks that killed dozens of people. Despite US officials announcing another ceasefire agreement, Israel has continued its military actions.

Supreme Leader Mojtaba Khamenei received assurances from Iranian President Masoud Pezeshkian about protecting the rights of the Iranian nation and the resistance frontwhich includes Hezbollah in Lebanon. Analysts like Trita Parsi from the Quincy Institute for Responsible Statecraft have emphasized that Iran is serious about its commitment to a ceasefire and Israeli withdrawal from Lebanon. Parsi noted that Lebanon’s sovereignty and territorial integrity are crucial to the Iranians.

US Political Reactions and Diplomatic Leverage

The announcement of the MoU has sparked criticism from Israel’s allies in the US, particularly regarding the stipulations about Lebanon. The American Israel Public Affairs Committee (AIPAC) argued that the deal appears to mandate Israel to end efforts to disarm Hezbollah, despite ongoing attacks. Ryan Costello from the National Iranian American Council (NIAC) highlighted that Lebanon poses the greatest test for the ceasefire deal, warning of potential breakdowns in negotiations.

US Vice President JD Vance has stressed that Israel must respect the peace process with Iran. He criticized the timing of Israeli attacks, which have resulted in civilian casualties in Beirut. Vance also reminded Israel of its dependence on US support, suggesting that the US is the superpower in the relationship. This rhetoric indicates a shift in the dynamics of US-Israeli relations, with Trump prioritizing his diplomatic legacy.

Analysts like Matthew Duss from the Center for International Policy have noted that Netanyahu’s actions in Lebanon are a significant source of instability. The question remains whether Trump will exert real pressure on Netanyahu to change his approach. The public nature of the MoU, signed by Trump and Pezeshkian, underscores the importance of stopping the war in Lebanon, as stated explicitly in the document.

Senate Republicans’ Concerns and the Future of the Deal

Senate Republicans have continued to express concerns about the US-Iran MoU, particularly regarding the $300 billion reconstruction fund for Iran. Senator Roger Wicker criticized the agreement, arguing that it negotiates away the victories of Operation Epic Fury and forces Israel to stand down against Hezbollah. Senator Ted Cruz reiterated his opposition to giving billions of dollars to a regime that seeks to harm the US and Israel.

Senator Thom Tillis rejected Vance’s comments that sanctions have not been effective, emphasizing the importance of congressional approval for any sanctions relief. Senator Mike Rounds expressed concerns about Israel not being a party to the negotiations and the potential limitations on its activities in Lebanon. Senator John Cornyn believed that the deal was influenced by political considerations and would not persuade Iran to pursue peace.

The future of the ceasefire deal hinges on the US’s ability to leverage its support for Israel and compel Netanyahu to change his approach. The public and explicit nature of the MoU, along with the growing tensions between the US and Israel, suggests a potential shift in the dynamics of their relationship. As the situation unfolds, the focus will be on whether Trump can successfully navigate these diplomatic challenges to achieve a lasting peace in the region.