ABC News’ Martha Raddatz reports on growing concern of the 40,000 troops spread from Iraq, Bahrain, Qatar and Syria becoming targeted after Iran strike.

ABC News' chief White House correspondent Mary Bruce reports President Donald Trump calling operation “Midnight Hammer” a "spectacular success" after striking Iran’s nuclear facilities.

Rep. Jim Himes said it was still too soon to know if U.S. strikes against Iranian facilities had substantially weakened the country’s nuclear program.

David Albright, President of the Institute for Science and International Security, discusses the possibility of a regime change in Iran.

Former U.S. Ambassador to NATO Lt. Gen. Doug Lute discusses Iran reactions and security concerns after strikes.

Suzanne Maloney of the Brookings Institution joins ABC News Live to discuss what the future of Iran and the United States' relationship looks like.

ABC News’ Ines de La Cuetara joins Live to discuss reactions to the U.S. airstrikes on Iranian nuclear sites.

On “This Week,” ABC News’ correspondents and contributors report on the United States strikes on Iran.

ABC News’ Jonathan Karl interviews Rep. Jim Himes, D- Conn., on “This Week.”

ABC News' Rachel Scott gives insight into the U.S. decision to attack Iran and lawmakers’ reactions.

Rep. Greg Stanton, D-Ariz., joins ABC News Live to discuss congressional leaders’ reactions to Saturday’s U.S. attacks on Iran.

ABC News’ Ian Pannell takes a look live from Tel Aviv.

On Saturday evening, President Donald Trump ordered a coordinated strike on Iran's nuclear program, the president calling it "a spectacular success."

In the wake of President Donald Trump's "massive precision strikes" on Iran, concerns have been raised both for Americans in the region and at home.

The United States struck three nuclear sites in Iran on Saturday, plunging the U.S. into a battle waged over the past several days between Israel and Iran.

Lawmakers expressed surprise after the President Trump announced the U.S. had attacked three Iranian nuclear sites.

A U.S. attack on Iran's key underground nuclear facility would not be a guaranteed success, according to a national security expert.

He said Friday it would give time for Iranians to "come to their senses."

President Donald Trump addresses the nation from the White House.

James Acton, co-director of the Nuclear Policy Program, discusses the problems U.S. and Israel will have in ending Iran’s nuclear program.

President Trump said he wanted his legacy to be that of a "peacemaker and a unifier." Six months into his term, conflicts are raging on three fronts.

President Donald Trump addressed the nation after the United States struck three nuclear sites in Iran on Saturday.

Lawmakers expressed surprise after the President Trump announced the U.S. had attacked three Iranian nuclear sites.

President Donald Trump announced on social media Saturday night that the U.S. attacked three nuclear sites in Iran, "including Fordow, Natanz, and Esfahan."

Known as the Joint Comprehensive Plan of Action, or JCPOA, the deal followed two years of negotiations during the Obama administration.

Sources have told ABC News that former White House adviser and podcaster Steve Bannon is playing a role in President Donald Trump’s decision to attack Iran.

MAGA star Steve Bannon plays outsized role in Trump's Iran decision: Sources

The president, along with his national security team, is weighing the decision over whether to strike Iran or not.

Donald Trump says his two-week window will let Iranians "come to their senses."

Retired four-star Army Gen. Robert Abrams reacts to the two-week deadline set by President Donald Trump to decide on a possible Iran strike.

President Trump, taking reporter questions after arriving in New Jersey on Friday afternoon, was asked for the calculus behind his two-week timeline to make a decision on whether to strike Iran.

President Donald Trump's consideration of bringing the United States into Israel's conflict with Iran has reignited tensions inside the Republican Party and Trump's base.

President Trump has asked an appeals court to delay arguments scheduled for next week in his appeal of the $83 million defamation case brought by E. Jean Carroll.

Some 4,000 National Guardsmen and 700 Marines were ordered to the Los Angeles area following protests over immigration raids.

European leaders are meeting with Iranian diplomats in Geneva on Friday, attempting to reach a diplomatic resolution that would prevent Iran from developing its nuclear weapons program.

President Donald Trump will decide whether the U.S. should strike Iran within two weeks, due to a “substantial chance of negotiations that may or may not take place with Iran in the near future.”

For a third day, Pres. Trump met with his national security team as he weighs possible U.S. direct action in Iran.

President Donald Trump announced he signed an executive order Thursday extending the deadline for TikTok's ban.

Aerial attacks between Israel and Iran continued overnight into Thursday, marking a seventh day of strikes following Israel's Friday attack.

As the legal battle between the Trump administration and Harvard heats up, here's a look at what Harvard calls Trump's "campaign of retaliation" against the school.

Taxpayers will not be paying for President Trump's ongoing appeal of the $83 million defamation case brought by E. Jean Carroll, an appeals court has ruled.

White House press secretary Karoline Leavitt, at the top of her briefing on Thursday, shared a message from President Trump regarding the Israel-Iran conflict.

President Donald Trump faces growing pressure at home and abroad as he weighs his options on whether to get the U.S. involved in the conflict between Israel and Iran.

The president's comments came as workers erected two 88-foot-tall flagpoles, one on the North Lawn and one on the South Lawn, at the White House on Wednesday.

President Donald Trump -- clearly frustrated by the failure of his diplomatic efforts to date -- has raised the prospect of entirely abandoning American engagement.

President Donald Trump has overseen the installation of a massive new flagpole on the South Lawn of the White House

For the second day in a row, Pres. Trump has gathered his national security team in the Situation Room as he decides if the U.S. should strike Iran.

Senate Republicans largely lined up behind President Donald Trump's handling of the conflict between Iran and Israel, and said they trust the president’s judgment.

ByteDance, the Chinese owner of the social media app, has been granted another 90 days to find an American owner.

Trump told top advisers he approved possible attack plans but has not yet given the order to carry out the strike.