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When Does a Threat Become Imminent?

by | Mar 23, 2026 | Recent Commentaries

There has been a lot of accusations from democrats in Congress whether the Iranian regime actually posed an “imminent threat” to the United States.  So, I thought we might examine the word imminent from the dictionary’s perspective versus what it means in the context of military conflict.

Imminent means about to happen very soon—not merely possible, but close at hand.  A storm is imminent when it is expected to arrive shortly and an imminent threat is a danger that appears immediate.  But in matters of war, the word is far more slippery than the democrats are willing to acknowledge.

A threat may be real and growing without being measurable by the clock.  Warning signs can be clear, yet still fail to reveal the precise hour, place, or method.  One person may use imminent to mean within hours; another may mean within days and to still another it could mean weeks or months.  And when the subject is war, intention is notoriously difficult to read.  We can observe preparations, force movements, missile deployments, proxy activations, and nuclear enrichment.  But what we cannot know with certainty is whether an adversary plans to strike now, later, or only if circumstances change.

That is why the debate in Washington over whether Iran posed an “imminent threat” is, a debate over a word that becomes murkier the closer one gets to actual conflict.  The War Powers Resolution speaks of situations in which “imminent involvement in hostilities is clearly indicated by the circumstances,” but it doesn’t provide a stopwatch definition of imminence.  International law isn’t much clearer. Article 51 of the U.N. Charter recognizes the inherent right of self-defense “if an armed attack occurs,” as a result, congress is debating an abstraction.

In the nuclear age, “imminent threat” cannot be confined to missiles already in the air.  If a hostile regime is enriching uranium to near-weapons grade, hardening and dispersing its nuclear infrastructure, arming regional proxies, and threatening American forces and allies, the danger may be operationally imminent even if the exact trigger date is unknown.  The distinction that matters is not dissimilar to Pearl Harbor in 1941: a nation may plainly be an imminent threat without Washington knowing exactly where or when.

By late November 1941, Japan was plainly an imminent threat, but “imminent” did not mean Washington knew Pearl Harbor was in the crosshairs.  By November 27, Roosevelt understood war could erupt at any moment.  In fact, the attack on Pearl Harbor had become ‘operationally imminent’ the day before, when Japan’s carrier strike force sailed under radio silence and headed for Hawaii.  American leaders recognized the danger of imminent war, but they did not know with certainty where the hammer would fall.

If critics demand that a president act only after the threat is fully visible, precisely timed, and publicly provable, they are not defining imminence—they are defining paralysis.  And in an age of ballistic missiles, proxy warfare, clandestine terror networks, and nuclear breakout capability, paralysis is fatal.

The real question is not whether Iran sent Washington a calendar invitation, the real question is whether the totality of the evidence showed a hostile regime moving steadily closer to a point at which delay would narrow America’s options thus magnifying the danger.  And that is what “imminent threat” means in the real world of military conflict: not perfect foreknowledge, but a danger sufficiently near, grave, and gathering that waiting for certainty may mean waiting too long – and accepting the consequences that could have been prevented.

Quote of the day: “The most dangerous ideology is the one that ignores evidence” – Thomas Sowell