Boeing's European rival, Airbus, also stands to lose deals if the U.S. imposes sanctions against Iran.
Hours after the Israeli military urged citizens to take shelter and President Donald Trump left the Iran deal, new strikes were reported in Syria.
Israel deployed defense systems, and troops "are on high alert for an attack," the Israel Defense Forces said in a statement.
President Donald Trump has said the U.S. will leave a historic 2015 nuclear deal with Iran, a potentially destabilizing decision for the region.
The president will make an announcement on the deal on Tuesday.
The U.S.—with Israeli encouragement—appears to be stepping away from the JCPOA, while Iran and the other signatories try to save it.
Israeli Prime Minister Benjamin Netanyahu was granted the power to go to war with only his defense chief's approval in "extreme situations."
The prime minister says he has "exact copies" of Iran's atomic archive.
Revolutionary Guards Naval Commander Rear Admiral Ali Fadavi claimed his military speedboats could cruise circles around U.S. warships.
The Ayatollah said Muslims must resist arrogant western nations.
Europe is fighting to keep the deal. Trump wants to kill it. Meanwhile, Moscow and China will likely back Tehran.
Iranian Foreign Minister Mohammad Javad Zarif said one option "would involve resuming at a much greater speed our nuclear activities."
National security adviser John Bolton's arrival at the White House increases the chances of a harder line on Iran.
Having reached out for potential investment with South Korea, Saudi Arabia is talking tough against Iran's "Hitler."
Over a dozen top officials have resigned or been fired just over a year into the Trump administration, frustrating U.S. allies and foes alike.
Despite top U.S. defense officials urging Trump to stay in the Iran deal, Secretary of State Rex Tillerson was fired over his support for the agreement.
A spokesman for the country's Atomic Energy Organization said Iran could resume its 20 percent uranium enrichment in under two days.
The protests in Iran may have blown up the president's dream of shredding that country's nuclear deal.
Donald Trump previously vowed to ax the nuclear deal the U.S. struck with Tehran in 2015.