Gulf States and Hawks Contest the Pace of Trump’s Iran Diplomacy

President Donald Trump postponed a planned military strike on Iran, set for Tuesday, May 19, after direct appeals from three Gulf heads of state, exposing a sharp fault line between regional allies pressing for a negotiated exit and American and Israeli hawks who argue the military campaign remains unfinished. The decision, announced Monday on Trump's Truth Social platform, directed Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs Gen. Daniel Caine to stand down the operation. Trump retained the explicit option to resume strikes "on a moment's notice" if talks collapse. ^[1][2]

Trump identified the interlocutors by name: Qatari Emir Tamim bin Hamad Al Thani, Saudi Crown Prince Mohammed bin Salman, and UAE President Sheikh Mohammed bin Zayed Al Nahyan. ^[2][3] According to a source familiar with the conversations, cited by POLITICO, the three leaders communicated to Trump that his military pressure was working and that Iran was prepared to negotiate. Gulf states had a concrete interest in de-escalation beyond the diplomatic: Iran has conducted drone and missile strikes against Gulf Arab territory during the conflict, and a drone struck near the UAE's sole nuclear power plant, the Barakah facility, in what UAE authorities described as an "unprovoked terrorist attack." ^[6] The Strait of Hormuz, through which roughly 20% of global oil and liquefied natural gas transits, has been effectively closed since Iran moved to restrict passage following U.S. and Israeli strikes on Iranian nuclear and military infrastructure beginning Feb. 28. ^[12][24]

The ceasefire reached April 8 has grown increasingly fragile. ^[24] Negotiating sessions, including a high-level engagement in Islamabad led by Vice President JD Vance, Special Envoy Steve Witkoff, and Jared Kushner, failed to close on the central nuclear issue. ^[24] The two sides remain divided on the duration of any enrichment pause, the disposition of Iran's existing enriched uranium stockpile, sequencing of sanctions relief versus nuclear concessions, and Iran's demand that war reparations and the Hormuz closure be resolved before any nuclear discussion advances, according to POLITICO. ^[20] Any agreement touching Iran's nuclear program would trigger a mandatory congressional review period under the Iran Nuclear Agreement Review Act of 2015, P.L. 114-17, a structural constraint no executive action can waive. ^[24] Acting Pentagon Comptroller Jules W. Hurst III testified May 12 that the war's operating cost estimate stands at $29 billion, not counting damage to U.S. installations, and that a supplemental appropriations request will follow a full cost assessment. ^[24]

The Pentagon faces a parallel constraint. U.S. forces fired more than 850 Tomahawk cruise missiles in the first four weeks of Operation Epic Fury alone, a pace that alarmed internal officials given the weapon's limited production rate of roughly 90 per year before new contracts were announced. ^[10] A Center for Strategic and International Studies analysis found the U.S. also expended nearly half its Patriot interceptor stockpile, more than half its THAAD inventory, and over 45% of its Precision Strike Missile supply during the campaign. ^[11] Rebuilding those inventories to pre-war levels is projected to take one to four years, a timeline with direct implications for any potential contingency in the Western Pacific. ^[11] RTX has announced an agreement with the Defense Department to scale Tomahawk production to more than 1,000 missiles per year, but the ramp is measured in years, not months. ^[9]

On the diplomatic team, the White House recently added Nick Stewart, previously a senior official at FDD Action, the lobbying arm of the Foundation for Defense of Democracies. The White House confirmed Stewart's appointment, with spokesperson Olivia Wales describing him as a "valuable asset" to Witkoff's team with prior State Department and Capitol Hill experience. Stewart was brought on by Kushner, according to CBS News. ^[23] The appointment draws attention because FDD chief executive Mark Dubowitz has publicly backed resuming military strikes, arguing, per POLITICO, that Iran is weeks from economic collapse and that halting the campaign risks allowing the regime to reconstitute its nuclear, missile, and Hormuz leverage. FDD's institutional posture places Stewart in a structurally awkward position on a team currently pursuing the pause he was hired to help manage [POLITICO].

Vice President Vance, asked May 20 about progress, placed Iran's nuclear program at the center of U.S. objectives. "The Iranians recognize that a nuclear weapon is the red line for the United States of America," Vance told reporters, adding that Trump is "locked and loaded" to resume the military campaign if talks fail. ^[19][22] The U.S. position, as stated by the White House, continues to require zero enrichment inside Iran, a demand Tehran has rejected in prior negotiating rounds. ^[21] The ceasefire's survival, the Hormuz closure's economic toll, and the Pentagon's depleted inventories together narrow the window in which a negotiated outcome remains viable before operational and political pressures force a decision.