“Our president said in 2012 that his administration has Israel’s back,” Graham said ahead of the vote. “This is a chance for the Senate to also say we have Israel’s back.”

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Menendez said Iran was the “the paramount national security challenge we face.”

S.Res. 65 also supports the full implementation of U.S. and international sanctions on Iran, which Graham said have been working but too slowly.

“This is about preventing Iran from getting a nuclear weapon,” Sen. John HoevenJohn Henry HoevenSenate Republicans call on Biden to lift vaccine mandate for truckers crossing Canadian border Equilibrium/Sustainability — Presented by Southern Company — Native solar startups see business as activism Religious institutions say infrastructure funds will help model sustainability MORE (R-N.D.) said. “If Iran can’t sell their oil, they won’t have revenue and won’t be able to build a nuclear weapon.”

The resolution says, “if Israel is compelled to take military action in self-defense against Iran's nuclear weapons program, the U.S. government should provide Israel with diplomatic, military and economic support.”

The resolution expressly says it’s not a declaration of war.

“Today the Senate will send a clear and unequivocal message to Iran,” Sen. John McCainJohn Sidney McCainRedistricting reform key to achieving the bipartisanship Americans claim to want Kelly takes under-the-radar approach in Arizona Senate race Voting rights, Trump's Big Lie, and Republicans' problem with minorities MORE (R-Ariz.) said. “The United States will not allow you to get nuclear weapon capability.”

Menendez, the Senate Foreign Affairs Committee chairman, said his committee would continue to look at other options, including increasing military pressure, in order to keep Iran from getting a nuclear weapon.