Gregg Jackson, 40, from Santa Rosa, California, was arrested for impersonating a law enforcement officer and a bounty hunter, according to the Sonoma County Sheriff's Office.

A large immigration enforcement operation is underway in Los Angeles with U.S. troops on the ground.

B-2 pilots invited to the White House as Trump pushes back against questions on Iran strike and claims 'devastated' pilots.

Parnell's assessment much more optimistic than UN nuclear watchdog

Defense Secretary Pete Hegseth announced on Friday the USNS Harvey Milk is being renamed the USNS Oscar V. Peterson.

The Pentagon unveiled details about a 15-year top-secret program.

Speaker Mike Johnson, Secretary of Defense Pete Hegseth and others honored U.S. Army Rangers who served in WWII on Thursday.

Two of the five surviving Army Rangers, among the 6,500 who served in World War II, attended a Congressional Gold Medal ceremony at the Capitol on Thursday.

The Joints Chiefs chairman referred damage assessments to intelligence agencies.

Lt. Col. Brandon Mace traces his family's military history from the American Revolution to the modern era with ABC News Live anchor Kyra Phillips as the Army celebrates its 250th anniversary.

Secretary of Defense Pete Hegseth said in a press conference on Thursday morning that the bombing of Iran was the most "complex and secretive military operation in history."

Defense Secretary Pete Hegseth and Joint Chiefs Chairman Gen. Dan Caine held a press conference Thursday to detail U.S. strikes over the weekend on Iranian nuclear facilities.

Retired Gen. Robert Spalding joined ABC News Live to discuss a preliminary U.S. intelligence assessment that found Trump-ordered strikes only set back Iran's nuclear program by months.

President Trump warned Iran against retaliation several times after the U.S. struck Tehran's nuclear facilities. On Monday, Tehran targeted a U.S. military base.

A retired B-2 bomber pilot reveals details about the historic U.S. strike on Iran, including stealth tactics, pilot preparations and decadelong planning.

The U.S. Department of State has issued an advisory for Americans to exercise increased caution worldwide following airstrikes on Iran.

Iran's attack on a U.S. base in Qatar has ended, there are no reports of casualties. The attacks were retaliation for the U.S. strikes on Iran's nuclear facilities.

Retired U.S. Air Force pilot Jeffrey Needles reacts to the military operation carried out by the U.S. military over the weekend to attack Iran's nuclear sites.

Qatari air defenses "successfully intercepted" a missile attack targeting Al Udeid Air Base, the Qatari Defense Ministry said.

ABC News contributor Steve Hill says there is a path for Iran to retaliate which wouldn’t provoke another round of attacks from the U.S.

Retired Gen. Robert Spalding discusses the training and deception needed to pull off the strike on three nuclear sites in Iran.

There are around 40,000 American troops in the region, spread between permanent bases and smaller outposts, and any of them could face reprisals following the U.S. bombing operation in Iran.

ABC News’ military analyst, former Marine Col. Steve Ganyard discusses the U.S. using "bunker buster" bombs for the first time on Iran and the damage they caused.

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.

The Pentagon revealed stunning new details about the surprise U.S. attack on Iran dubbed "Operation Midnight Hammer" as the first video emerges of the strike and Iran vows to retaliate.

Decorated former Navy fighter pilot Matthew “Whiz” Buckley joins ABC News Live to discuss military operations in the Iran attacks.

Retired Col. Seth Krummrich, vice president of Global Guardian, joins ABC News Live to discuss the ongoing conflict with Iran.

Trump and Turkish President Erdoğan quietly tried to arrange a meeting between senior U.S. and Iranian officials in Istanbul last week, two officials told ABC News.

Code-named "Operation Midnight Hammer," the top-secret U.S. attack on Iran's nuclear facilities was launched overnight .

ABC News contributor and former U.S. ambassador to NATO Ret. Lt. Gen. Doug Lute provides insight into how powerful the "Bunker Buster" bomb is and the damage it could inflict if used against Iran.

B-2 stealth bombers have been deployed to Guam, two sources with knowledge of their movements told ABC News, as tensions with Iran increase.

Multiple B-2 stealth bombers were headed to Guam Saturday, according to two sources familiar with their movements. At this point, the U.S. aircraft have no orders beyond that, the sources said.

An attack on a key Iranian nuclear facility might not be effective, even if the U.S. military's massive bunker-buster bombs are used, a national security expert familiar with Iran's program said.

Martha Raddatz has new reporting on the concerns over the U.S. possibly using a 30,000-pound bomb never used in war, to destroy Iran's nuclear facility.

James Acton, co-director of the Nuclear Policy Program at the Carnegie Endowment for International Peace, spoke about rising tensions between Israel, Iran and the U.S.

A group of military families stationed at San Diego bases advocate for additional privatized housing reforms for what they say are poorly maintained living conditions.

Israel's escalating conflict with Iran over its increased nuclear has brought up speculation about the possible use of one of America's powerful weapons in the conflict.

Some military families say they continue to face issues with mold, water damage, among other conditions in wake of FY2020 military housing privatized initiative reforms.

ABC News' Matt Gutman visits a unique Army boot camp that's helping overweight Americans become all they can be.

Some military families say they continue to face issues with mold, water damage, among other conditions in wake of FY2020 military housing privatized initiative reforms.

Some military families stationed in San Diego, CA urge private providers for safe housing. 

Thousands of "No Kings Day" protests are set to be held throughout the country on Saturday to protest the Trump administration.

On “This Week,” ABC News’ Senior White House Correspondent Selina Wang reports on Trump’s military parade and his deployment of the National Guard to Los Angeles.

During the Army's 250th anniversary parade, ABC News' Stephanie Ramos described her experience being deployed to Iraq: "What really sits with me is the work we did with the children there."

A parade in Washington, D.C., commemorating the 250th anniversary of the armed services, kicked off Saturday.

President Donald Trump carried out the swearing in of 300 new U.S. service members during Saturday's Washington, D.C., military parade.

Parachutists with the Army's Golden Knights jumped onto the Ellipse at the Grand Military Parade in Washington, D.C.

President Donald Trump delivered remarks at the Army's 250th Anniversary Parade in Washington, D.C.

President Donald Trump watched tanks and soldiers march down Constitution Avenue from a viewing stand near the White House.

A parade in Washington, D.C., commemorating the 250th anniversary of the armed services and coinciding with the birthday of President Donald Trump, kicked off Saturday.