The White House says more than 100 empty oil tankers are heading to U.S. ports to load American crude as the U.S. blockade of the Strait of Hormuz moves into a second day. The administration frames the redeployment as a “critical lifeline” for global markets as energy prices climb amid the confrontation with Iran and the effective shutdown of a major shipping corridor.
Jon Alterman, director of the Middle East program at the Center for Strategic and International Studies, told The Daily Report that the action signals rising pressure on Tehran even if it does not immediately choke off Iran’s oil revenues. Because a substantial amount of Iranian oil is already at sea, the blockade will not produce an instant fiscal collapse. Still, Alterman said, the operation makes clear that the “noose is getting tighter”: it raises the costs and logistical hurdles Iran faces when trying to sell or move its crude.
Alterman argued the measures are intended partly to nudge Iran back toward negotiations by constraining revenue flows. He warned, however, that Tehran’s stockpiles and ships underway blunt the short-term impact. The move’s importance is therefore as much psychological and operational as purely economic: it alters market conditions, complicates Iran’s monetization of shipments, and communicates U.S. seriousness.
On diplomacy, Alterman said he is somewhat more hopeful now than immediately after the crisis escalated. He suggested Iran has signaled willingness to enter talks and that U.S. officials appear open to exploring a diplomatic off-ramp. While both sides are now indicating a desire to engage, Alterman cautioned that timing, terms and length of any discussions remain unclear. Renewed dialogue, he added, could reduce the risk of a prolonged military confrontation and help reopen global trade routes.
Alterman also noted practical limits to the U.S. response. Much oil is already en route to buyers, and diverted U.S. supplies may not plug gaps quickly because of delivery schedules, refinery compatibility and differences in crude types. Those frictions mean markets are likely to remain nervous about supply availability for weeks or months, keeping prices elevated even if additional U.S. volumes become accessible.
Finally, Alterman warned against assuming pressure alone will force rapid Iranian capitulation. Tehran has spent decades preparing for confrontation, can absorb economic pain, and is not a democracy vulnerable to immediate political backlash — factors that give it strategic patience. That endurance complicates expectations that tighter measures will quickly compel a change in behavior. The U.S. must therefore balance the aim of squeezing revenues with the risks of prolonged market disruption while seeking ways to translate pressure into negotiations that could end the fighting and restore trade through the Strait of Hormuz.