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Iran Conflict 2026
21MAY

Trump rejects ground troops in Iran

4 min read
09:55UTC

The US has killed Iran's supreme leader, destroyed its constitutional succession mechanism, and explicitly rejected responsibility for what comes next.

ConflictDeveloping
Key takeaway

Trump's explicit rejection of nation-building creates a strategic contradiction: using military force to destroy a government while disclaiming responsibility for what follows.

President Trump explicitly rejected ground troops and nation-building in Iran while US and Israeli forces continued striking Iranian military and political infrastructure. The statement defines the ceiling of American commitment: Washington will destroy Iran's leadership but will not govern what follows. His earlier pledge to deploy force "never seen before" signalled maximum military commitment; the rejection of ground troops signals minimum political commitment.

The position has a direct and uncomfortable antecedent. In March 2011, the US, Britain, and France launched air strikes against Libya under UN Security Council Resolution 1973. President Obama rejected ground troops. Muammar Gaddafi was killed by rebel forces that October. No international stabilisation force followed. Libya has not had a functioning central government since. Obama later called the failure to plan for post-Gaddafi Libya the "worst mistake" of his presidency. Iran, however, is not Libya. Libya in 2011 had six million people and a tribal governance structure. Iran has 88 million people, a functioning civil service, and an IRGC economic empire that the Foundation for Defense of Democracies has estimated at $100 billion — spanning construction, telecommunications, oil, and banking.

The scale of what has been destroyed compounds the question of what follows. Khamenei, Defence Minister Nasirzadeh, IRGC Ground Forces Commander Pakpour, and Ali Shamkhani are dead (ID:470). The Assembly of Experts building in Tehran — the body constitutionally responsible for selecting a new supreme leader — was struck directly . The three-person interim council must now govern without the coercive apparatus that held the state together, while ethnic minorities with longstanding autonomy aspirations — Kurds, Baluchis, Azeris, Arabs — see central authority weakened for the first time in decades.

Trump's stance is consistent with the political lesson American voters drew from Iraq and Afghanistan: occupation costs more than intervention. It is consistent with his "ending forever wars" rhetoric since 2016. But the lesson of Iraq was about the price of staying; the lesson of Libya was about the price of leaving. No American president has found a position between the two that produces a stable outcome. And no actor — American, Iranian, Russian, or Chinese — has articulated a governance plan for a country whose Supreme Leader is dead, whose succession mechanism is physically destroyed, and whose population is split between those setting off fireworks (ID:474) and those queueing for bread.

Deep Analysis

In plain English

After bombing Iran and killing its supreme leader, President Trump has stated clearly that the US will not send soldiers in to help rebuild the country or guide the formation of a new government. This is a deliberate choice, shaped by the painful experience of Iraq and Afghanistan, where the US spent over two decades and trillions of dollars trying — and largely failing — to build stable governments after toppling old ones. The political logic is understandable: the American public is exhausted by 'forever wars.' The strategic problem is that someone has to fill the space left by a destroyed government. Without a stabilisation framework, that space may be filled by armed factions, regional powers pursuing their own interests, or simply chaos. Destroying a government is much easier than building a replacement, and history suggests that the country that does the destroying tends to be blamed for whatever comes next regardless of whether its troops are present.

Deep Analysis
Synthesis

Trump's rejection of ground troops and nation-building is simultaneously the most domestically popular and strategically consequential decision of the entire operation. It reflects genuine institutional memory of Iraq — but draws the wrong lesson. The failure in Iraq was not that the US tried to build a new order; it was that it destroyed the existing order without understanding what it was destroying or what conditions were required for a viable replacement. Iran is not Iraq: it has stronger civil institutions, a more educated and urbanised population, and 2,500 years of state continuity. But it also has a $100 billion parallel economy controlled by an armed revolutionary organisation, dozens of ethnic and sectarian fault lines, and neighbours with active interests in shaping its successor order. By prosecuting strikes without a governance plan, the US has in effect conducted a controlled demolition in a densely populated neighbourhood and then announced it will not be staying to help with the rubble. The political consequence — being blamed for what follows regardless of troop presence — is already visible in the Minab school strike , where attribution has effectively been decided in public opinion independent of forensic facts.

Root Causes

Trump's position reflects a convergence of political calculation and a selectively applied lesson from the Iraq and Afghanistan experiences. The American electorate and political class are deeply averse to long-term military occupations after two decades of costly, inconclusive wars that cost an estimated $8 trillion and produced no durable political settlements. Trump specifically built a political identity around ending 'forever wars,' and rejecting nation-building is the most politically legible expression of that commitment. However, the doctrine contains a structural contradiction that its architects have not resolved: military force can destroy a political order, but it cannot conjure a replacement, and the power vacuum created is not politically neutral — it will be filled by whoever has the most guns, money, and organisation in the immediate aftermath. Rejecting nation-building is not the same as having no responsibility for nation-breaking.

Escalation

The rejection of ground troops reduces the probability of direct, sustained US military engagement inside Iran but materially increases the risk of proxy conflict, intra-Iranian armed competition, and regional spillover. Iran's $100 billion IRGC economic empire — spanning energy infrastructure, construction, banking, and logistics — does not dissolve cleanly upon the death of political leadership; it fragments into competing factions with guns and money. Ethnic minority groups, including Kurds, Baluchis, Azeris, and Arabs, may pursue autonomy agendas once central authority weakens, creating fault lines that neighbouring states (Turkey, Iraq, Azerbaijan, Pakistan) will be tempted to exploit. The Islamic State emerged from an analogous vacuum in post-2011 Iraq after US withdrawal; an Iranian equivalent, drawing on IRGC networks and regional Shia mobilisation infrastructure, is a plausible medium-term risk. The escalation vector is therefore not US-Iran direct confrontation but intra-Iranian fragmentation and the drawing-in of regional powers, each of which would add new dimensions to an already complex conflict.

What could happen next?
1 meaning1 consequence2 risk1 precedent1 opportunity
  • Meaning

    The US has deliberately limited its post-strike accountability, outsourcing Iran's political future to Iranians and regional powers without providing a framework.

    Immediate · Assessed
  • Consequence

    A power vacuum in a state with a $100 billion armed economic empire and significant ethnic fault lines materially increases the probability of civil conflict and fragmentation.

    Short term · Assessed
  • Risk

    Rejecting nation-building does not insulate the US from blame for the consequences of the vacuum it created, as Minab already demonstrates.

    Short term · Assessed
  • Precedent

    This establishes a 'strike, kill leadership, and disclaim' template that adversaries and allies alike will cite when assessing future US military commitments and guarantees.

    Long term · Assessed
  • Risk

    IRGC economic networks, deprived of central political authority, may reconstitute as autonomous armed economic actors or be captured by foreign-backed proxies, producing a warlord economy rather than a transitional state.

    Medium term · Suggested
  • Opportunity

    Iranian civil society — educated, urbanised, and radicalised by the January 2026 massacre — represents a genuine constituency for a democratic transition if given political and economic space to self-organise without foreign capture.

    Medium term · Suggested
First Reported In

Update #5 · Bread lines and IRGC fear inside Iran

Foreign Policy· 1 Mar 2026
Read original
Causes and effects
Different Perspectives
Turkey (Shakarab consideration)
Turkey (Shakarab consideration)
Ankara serves as one of two Western-adjacent Iran back-channels while Turkish national Gholamreza Khani Shakarab faces imminent execution on espionage charges in Iran. President Erdogan cannot deflect the domestic political crisis that a Turkish execution would trigger, which would force suspension of the mediating role.
Germany (Bundestag gap)
Germany (Bundestag gap)
Belgium, Germany, Australia, and France committed Hormuz coalition hardware on 18 May. Germany's Bundestag authorisation for the coalition deployment remains pending, creating a constitutional gap between the commitment announced and the parliamentary mandate required to operationalise it.
IEA and oil market analysts
IEA and oil market analysts
The IEA's $106 May Brent projection met the market in one session on 20 May as Brent fell 5.16% on diplomatic optimism. Goldman Sachs and Morgan Stanley's two-layer premium framework holds: the kinetic component compressed; the structural insurance component tied to Lloyd's ROE remains unresolved.
Hengaw
Hengaw
Documented the dual Kurdish execution at Naqadeh on 21 May, the two Iraqi-national espionage executions on 20 May, and Gholamreza Khani Shakarab's imminent execution risk. The 24-hour cluster covers two executions at one facility, the first foreign-national espionage executions, and a Turkish national whose death would suspend Ankara's mediation.
Lloyd's of London
Lloyd's of London
Hull rates stand at 110-125% of vessel value on the secondary market; the Joint War Committee has conditioned cover reopening on written ROE from the coalition or PGSA. The Majlis rial bill makes any compliant ROE structurally impossible to draft while the PGSA's yuan portal remains its operational mechanism.
United Kingdom and France (Northwood coalition)
United Kingdom and France (Northwood coalition)
The 26-nation coalition paper requires Lloyd's to see written rules of engagement before Hormuz war-risk cover reopens. The Majlis rial bill adds a second governance incompatibility on top of the unpublished PGSA fee schedule; coalition ROE cannot mention rial without conceding Iranian sovereignty over the strait.