(WASHINGTON) — The Senate will vote Wednesday on a Democratic-led Iran war powers resolution, according to a press release from Minority Leader Chuck Schumer and bill co-sponsors Sens. Tim Kaine and Adam Schiff.

The resolution would direct the removal of United States armed forces from hostilities within or against Iran that have not been authorized by Congress. It comes after recent U.S. strikes on Iran that killed several Iranian leaders, including Ayatollah Ali Khamenei, the supreme leader of Iran.

There is no timeline in the bill, so if it passed and President Donald Trump signed it, the U.S. would have to draw down troops.

Because this bill is privileged, it would only need 51 votes to advance and ultimately be approved by the Senate. It’s not yet clear whether the legislation will have that support, but at this time it seems unlikely to advance.

Earlier this year, a similar resolution concerning military action in Venezuela passed an initial procedural test vote when a small handful of Republican senators voted with Democrats to move it forward. Some of those Republicans were ultimately swayed to revoke their support for that legislation during a vote on final passage, and the bill was ultimately defeated by Vice President JD Vance’s tie-breaking vote.

This time around though, Republicans seem even more inclined to support Trump’s actions in Iran.

Republican Sen. Josh Hawley, of Missouri, was one of the Republicans who initially supported the Venezuela war powers resolution before ultimately voting against it during a vote of final passage. His switch in position during that vote in January came after Trump attacked Hawley and the other Republicans who initially supported the proposal in a post on social media. 

Hawley told ABC News on Tuesday that he would vote against the Iran war powers resolution.

The legislation cites the 1973 War Powers Resolution, which states that in the absence of a declaration of war but when armed forces are introduced, the president must report to Congress within 48 hours the circumstances necessitating their introduction and must terminate the use of U.S. armed forces within 60 days unless Congress permits otherwise. If approval is not granted and the president deems it an emergency, then an additional 30 days are granted for ending operations.

“I think they’re in compliance with the statute. The statute gives them 60 days, gives the administration 60 days to conduct activity without having to come back to … Congress for authorization, unless they’re ground troops. My view has always been, ground troops will require congressional authorization. So they’re currently none involved, none have been involved, and they’re following the War Powers Act,” Hawley said.

Still, Democrats say the vote is critical. Sen. Kaine, of Virginia, who is leading the Iran resolution and who has been an outspoken proponent of Congress’ role in declaring war, said the vote will show where everyone stands on the conflict.

“We’re going to put everybody on the record [Wednesday]. Nobody gets to hide and give the president an easy pass or an end run around the Constitution,” Kaine said on Tuesday. “Everybody’s got to declare whether they’re for this war or against it.”

Without the support of at least a few Republicans, the Iran resolution is likely to fail to advance during Wednesday’s vote.

Even if this legislation were to pass, it would still require approval in the House and the signature of the president to become law. It is highly unlikely Trump would sign the bill should it make it to his desk.

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(NEW YORK) — While President Donald Trump says Operation Epic Fury could last several weeks, a question some are raising is how long U.S. and allies’ missile defense stockpiles can last in an extended conflict with Iran.

Trump has insisted that the U.S. is well equipped to fight, with a “virtually unlimited supply,” and other Gulf states have pushed back on claims that they are running missiles.

How much of the U.S. interceptor stockpile is being used up to defend against Iran’s continued heavy missile and drone attacks is classified, but it’s expected to be among questions lawmakers have for top Trump administration officials this week when they brief lawmakers on Capitol Hill.

Some experts are also raising concerns about America’s cache of the expensive air defense missiles as the Iranian military continues to target U.S. assets and other allies in retaliation.

Kelly Grieco, a senior fellow at the Stimson Center think tank and former assistant professor at the Air Command and Staff College, told ABC News that the conflict is becoming a “war of attrition.”

Watch special coverage on Nightline, “War with Iran,” each night on ABC and streaming on Disney+ and Hulu.

The U.S. and Israeli militaries are now in a race to destroy Iran’s missile capabilities, including launchers and production facilities, before the U.S. and Israel’s own stockpile of air defense interceptor missiles in the region is depleted, according to Grieco.

“The question is becoming who runs out of missiles first. Does the defender run out of interceptors,” she asked, referring to the armies of the U.S., Israel and the Gulf states. “Or does Iran run out of missiles, or their ability to launch missiles?”

“If the Iranians are able to launch with the kinds of numbers they have been launching over the past 48 hours over the next four to five weeks, that does not seem sustainable from an interceptor perspective,” she added. 

“But if those numbers drop off because the U.S. and Israel destroy the launchers themselves, or their storage facilities, and the numbers drop dramatically, then we could potentially sustain this campaign,” Greico said.

Retired Lt. Gen. Dan Karbler, former commander of the U.S. Space and Missile Defense Command, told ABC News Live Tuesday that extensive drone use by the Iranian military has prompted the use of smaller short-range missiles as interceptors.

“We don’t want to shoot Patriot missiles at the drones,” he said. “So, some of our short-range air defense, more capability of that type of nature needs to flow into countries so we’re using our short-range missiles to take out these drones not our very limited patriot missiles.”

President Trump attempted to assuage concerns about the stockpile Tuesday — but also acknowledged the number of some of the highest-grade munitions is “not where we want it to be.”

“The United States Munitions Stockpiles have, at the medium and upper medium grade, never been higher or better — As was stated to me today, we have a virtually unlimited supply of these weapons,” Trump wrote on social media early Tuesday morning. 

And even as he says the U.S. will “easily prevail” in this war and that the U.S. is prepared for the operation to go on for “whatever it takes,” Trump wrote that “Wars can be fought “forever,” and very successfully, using just these supplies.” 

The U.S. was already concerned about its stockpile before this war as the Russian-Ukraine conflict, the Israeli-Gaza conflict and last summer’s conflict with Iran have dramatically increased demand for Patriot and THAAD missiles, according to Greico.

Terminal High Altitude Area Defense missiles that are used to defend against Iran’s most powerful ballistic missiles are in particularly short supply. Grieco estimated that if the U.S. uses its THAAD missiles at same rate as the 12-day conflict with Iran last year, it likely only has enough for about two weeks now at most.

Grieco said it will take a long time, and be costly, for the U.S. and other countries to replenish their antimissile stockpiles, which are more time consuming and expensive to produce than the Iranian weapons they defend against.

Iran has not launched missiles at the same scale so far compared to the attacks during conflict with Israel last year.

Israeli officials and independent experts said they believe that may reflect a strategy by Iran to run down air defense supplies with relatively smaller but steady attacks over a longer period.

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(NEW YORK) — ABC News projects Texas Sen. John Cornyn will face a runoff against state Attorney General Ken Paxton in the Replican Senate primary in Texas. The Associated Press has projected that Texas state Rep. James Talarico will win the Democratic Senate primary.

The Senate primaries are among those in the state that have national implications and will shed insight into American attitudes one year into President Donald Trump’s second term.

Trump has made it clear that he is keeping a close eye on the state, announcing endorsements in select House races but staying on the sidelines for the Senate race.

In a House race that Trump didn’t make an endorsement in, state Rep. Steve Toth will defeat incumbent four-term Rep. Dan Crenshaw, The Associated Press projects.

State significance

The race between Cornyn, who is seeking his fifth term in the Senate, and Paxton is the “most expensive Senate primary on record,” according to tracking firm AdImpact, with over $122 million dedicated to ad spending and reservations.

On the Democratic side, Talarico defeated Rep. Jasmine Crockett, according to the Associated Press, in a battle between two rising stars in the Democratic Party who both hope to flip the seat for the first time in decades.

This election also marks the moment in which redistricting will begin to play out. Following Trump’s encouragement last summer, Texas spearheaded the redistricting wars — triggering a Supreme Court case, sparking national debate over mid-decade gerrymandering, and prompting other states to follow suit.

Now, newly drawn maps are likely to deliver five GOP pickups for the House of Representatives, where Republicans currently hold a razor-thin majority.

While Texas’ 23rd Congressional District is expected to stay red, the showdown between Trump-endorsed incumbent Rep. Tony Gonzales and Brandon Herrera will be one to watch, especially after multiple Republicans have called upon Gonzales to resign following an alleged relationship with his former staffer who died by suicide.

In the gubernatorial race, ABC News projects Trump-endorsed Gov. Greg Abbott, who is running for his fourth term in a state where governors do not have term limits, will face state Rep. Gina Hinojosa, the Democratic candidate.

Meanwhile, retired MLB baseball star Mark Teixeira is projected to win the Republican primary for Texas’s 21st congressional district, the Associated Press projects.

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