Pentagon Weighs Renaming Iran War 'Sledgehammer' to Reset Clock

Pentagon planners are preparing to rebrand the Iran campaign from “Operation Epic Fury” to “Operation Sledgehammer” if the current ceasefire collapses, a step Defense Department officials told NBC News is intended to reset the 60-day clock under the War Powers Resolution before combat resumes.

The maneuver, if executed, would give the administration roughly two additional months of statutory cover for a renewed air campaign without a fresh authorization for the use of military force from Congress. It is also a tell: the Pentagon is preparing the legal scaffolding for resumption at the same time the State Department is publicly defending the ceasefire, an unusual gap between policy lanes that suggests senior planners no longer believe diplomacy will hold.

What a Rename Would Do

The War Powers Resolution, codified at 50 USC §1541–§1548, requires a president to terminate the use of U.S. armed forces in hostilities within 60 days of introducing them, unless Congress has declared war, enacted specific statutory authorization, or extended the deadline. Day 60 of the Epic Fury campaign fell on April 29, a milestone covered at the time in our day-60 analysis.

The administration closed that clock administratively on May 1 by sending Congress a formal notification that hostilities had been terminated. Defense Secretary Pete Hegseth has separately argued that the active ceasefire “pauses” the resolution’s clock — a theory legal scholars have called unsupported by the statute’s text — while the May 1 letter argues the clock has stopped entirely because the war is over.

A rename would build on that posture. In the Pentagon’s interpretation, “Operation Sledgehammer” would be a legally distinct undertaking from Epic Fury. New operation, new introduction of forces into hostilities, new 60-day window. The administration would have until roughly mid-July, depending on the start date of resumed combat, before the authorization question reasserted itself.

That interpretation is contested. Critics in Congress have argued the existing operation already exceeded its statutory window without a vote, and that treating a renamed continuation as a new conflict is, in substance, an end-run around the resolution. Defenders inside the administration argue the rename follows the letter of the statute: a distinct operation, separately notified to Congress, with its own clock.

Why the Name Matters

Operation names are not cosmetic. Inside the Pentagon, the choice of a name signals intent to the force and to allied capitals before any munitions move. “Iron Shield,” “Sentinel,” and “Inherent Resolve” telegraph defensive or coalition framing. “Sledgehammer” does not.

The name implies a heavier, less hedged campaign than Epic Fury. It suggests the planners drafting the resumption order are not contemplating limited reprisal strikes but a broader effort to inflict damage Iran cannot quickly absorb. That framing matters because Iran’s military posture has materially changed since the original campaign began.

The Adversary Has Not Been Degraded

The Institute for the Study of War assessed this week that Iran is “likely preparing for a resumption of hostilities,” with roughly 70 percent of its pre-war ballistic missile stockpile intact and 30 of 33 missile sites along the Strait of Hormuz restored to operational status, according to a summary published by Euronews. The IRGC also launched a five-day “Martyr Commander” exercise near Tehran this week, the subject of separate America Strikes reporting.

That picture — a substantially reconstituted adversary, an unbroken IRGC command, and a Strait of Hormuz missile belt that has been rebuilt at a pace surprising to Western analysts — is the operational backdrop against which the rename is being drafted. A renamed resumption would not be striking the same target set Epic Fury struck in late February and March. It would be striking a target set that has had ten weeks to recover, redeploy, and harden.

That is the strategic logic behind a heavier-framed operation name. It is also what gives congressional critics a sharper line of attack: a 60-day clock reset, in their telling, is not a clerical reset but a way of authorizing — without authorizing — a campaign more ambitious than the one Congress was already declining to vote on.

The Pressure on Allies

The reporting on a possible rename lands during a week of intense diplomatic activity around Iran. President Trump arrived in Beijing on Tuesday for a summit with Xi Jinping, where Hormuz reopening and the ceasefire framework dominate the agenda. On Capitol Hill, a bipartisan group of U.S. lawmakers has pressed the United Kingdom to proscribe the Islamic Revolutionary Guard Corps as a terrorist organization, with the letter detailed in coverage by Iran International.

Both efforts cut in the same direction: tightening the diplomatic and legal pressure on Tehran. But the Pentagon’s quiet preparation of a renamed operation suggests the senior military leadership is hedging against the possibility that pressure does not produce a deal. The two tracks — diplomatic pressure and contingency planning for resumed strikes — are not contradictory, but the fact that one is leaking now indicates that planners want the public, and Congress, to understand which way the wind is blowing.

Where Congress Is

No AUMF has been introduced in either chamber, as noted in our coverage of the day-60 missed deadline. Six War Powers floor votes brought by Democrats to halt the conflict have failed along party lines. Some Republican members of the Armed Services Committee have privately expressed openness to eventually voting on a formal authorization, but none has moved a bill.

That inertia is the political fact the rename strategy is designed to exploit. If Congress will not vote to authorize a renewed campaign and will not vote to stop one, the executive branch retains the practical initiative. A renamed operation with a fresh 60-day clock effectively defers the constitutional question by another statutory window, during which the administration can argue any AUMF debate is premature because the clock has not yet run.

The Office of Legal Counsel has not published an opinion endorsing serial 60-day resets through renaming, and the administration has not said one exists. Constitutional scholars consulted in earlier reporting noted that the same interpretive theory, taken to its logical conclusion, would allow indefinite prosecution of any conflict through periodic administrative pauses and rebrandings.

What to Watch

The NBC report does not confirm a decision has been made. It confirms that the rename is on the table and that DoD has discussed it at a level senior enough for officials to brief reporters on the contingency. The signal value is in the leak itself.

Three near-term markers will indicate which way this is going. First, whether the Beijing summit produces a face-saving framework on Hormuz reopening or ends with no substantive outcome on Iran. Second, whether the IRGC’s “Martyr Commander” exercise concludes quietly or escalates into Hormuz incidents that could function as a trigger event. Third, whether the administration’s existing OFAC sanctions architecture — the Economic Fury actions targeting Iran’s weapons procurement networks in China and Belarus — produces visible compliance in Tehran’s posture or hardens Iranian resistance.

If any of those breaks against the ceasefire, the question is no longer whether the Pentagon has prepared a renamed operation. It is whether the administration believes the political cost of using it is lower than the political cost of going back to Congress for an authorization vote it does not appear interested in winning.