U.S. National Security Advisor Jake Sullivan said on Tuesday that if diplomacy with Iran should fail, the U.S. is "prepared to turn to other options" to ensure Tehran never develops a nuclear weapon, the White House said Tuesday following a meeting between Israeli and U.S. national security advisors.
In addition, Israel is requesting that the United States formulate a backup plan in case Iran does not return to talks on a more substantial nuclear deal, said sources involved in the talks between National Security Advisor Jake Sullivan and his Israeli counterpart Dr. Eyal Hulata.
Ahead of the meeting between the advisors, sources said that Israel wants the Americans to levy significant and "painful" sanctions on Iran if it does not sign the deal.
This is intended to convince the Islamic Republic to join talks on a more substantive, "longer and stronger" deal in the coming years with the United States, and to abandon their military goals.
The meeting was Tuesday was attended by senior U.S. and Israeli defense and diplomatic officials, with the two sides expressing "their shared determination to address the threats facing Israel and regional partners," the White House said. The advisors agreed to "maintain an open and constructive dialogue" going forward.
Before the meeting, a U.S. official said that Hulata's visit to Washington will allow the two allies to share intelligence and develop a "baseline assessment" of how far Tehran's nuclear program has advanced.
Under a 2015 deal, Iran curbed its uranium enrichment program, a possible pathway to nuclear arms, in return for the lifting of economic sanctions. Then-U.S. President Donald Trump quit the deal in 2018 and the Israeli government opposes U.S. efforts to revive it.
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In broad terms, U.S. experts believe the time it would take Iran to achieve nuclear "breakout" – enough enriched uranium to build a nuclear bomb – has "gone from about 12 months down to a period of about a few months" since Trump pulled out of the pact, the official said, speaking on condition of anonymity.
"Obviously that is quite alarming," the official told reporters ahead of the talks.
Iran has consistently denied it is developing nuclear weapons.
Echoing President Joe Biden's comments in a White House meeting with Israeli Prime Minister Naftali Bennett in August, the official said: "We of course remain committed to a diplomatic path."
"But obviously if that doesn't work there are other avenues to pursue, and we are fully committed to ensuring that Iran never develops a nuclear weapon."
Asked what actions were under consideration and whether that included military options, the official said "we'll be prepared to take measures that are necessary" but did not elaborate.
The official said that Iran was "sending indications to a number of parties that they are preparing to come back to Vienna," where the United States and Iran held indirect talks earlier this year that stalled.
But signaling that obstacles remain, Iran's foreign minister said on Saturday that the United States must first release $10 billion of Tehran's frozen funds as a sign of good will, something the Biden administration has shown no willingness to do.
Bennett, a right-wing politician who ended Benjamin Netanyahu's 12-year run as prime minister in June, has made clear he wants Biden to harden his stance against Iran, Israel's regional arch-foe.
There is also disagreement over Biden's opposition to further expansion of Jewish settlements on occupied land that the Palestinians want for a future state.
Asked whether the issue would be part of Tuesday's talks, the U.S. official said Israel was well aware of the administration's view of the need to refrain from actions that could be seen as "provocative" and undermine efforts to achieve a two-state solution between Israel and the Palestinians.