White House uses bunker-buster bomb test videos to back Trump's claim of 'obliterating' Iran nuke sites

Pete Hegseth and General Dan Caine offered an in-depth account of the planning and execution behind the US strikes on Iran’s nuclear facilities
PUBLISHED JUN 27, 2025
The White House shared test footage of bunker-buster bombs to support Donald Trump’s claim that American airstrikes 'obliterated' Iran’s nuclear sites at Fordo (@whitehouse/X, Getty Images)
The White House shared test footage of bunker-buster bombs to support Donald Trump’s claim that American airstrikes 'obliterated' Iran’s nuclear sites at Fordo (@whitehouse/X, Getty Images)


 

WASHINGTON, DC: In an effort to support President Donald Trump’s claims that US airstrikes “obliterated” Iran’s nuclear sites at Fordow, the White House released footage of bunker-buster bomb tests.

While American and Israeli officials hailed the mission as a major success, intelligence agencies and experts initially reported only “significant” damage, stopping short of confirming complete destruction.

The release of the test footage supposedly lends weight to Trump’s statements, showcasing the operation’s precision planning and reliance on advanced simulations.

Pete Hegseth and Dan Caine offer insight into planning and execution of US airstrikes on Iran

At a Pentagon press conference on Thursday, June 26, Defense Secretary Pete Hegseth and General Dan Caine, Chairman of the Joint Chiefs of Staff, provided a detailed account of the planning and execution behind the US airstrikes on Iran’s nuclear facilities.



 

General Caine shared test footage of the bunker-buster bombs used in the operation,12 of which were deployed.

The Pentagon also released footage demonstrating how these powerful bombs function. Unlike conventional weapons, bunker-busters are designed to penetrate deep underground before detonating, causing destruction below the surface that is not always visible above ground.  

U.S. Defense Secretary Pete Hegseth (L) and Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine (R) turn to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the U.S. military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar. (Photo by Andrew Harnik/Getty Images)

Pete Hegseth and Chairman of the Joint Chiefs of Staff Air Force Gen Dan Caine turn to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the US military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar (Andrew Harnik/Getty Images)

Both officials pushed back against a classified Defense Intelligence Agency (DIA) report suggesting the facilities were only damaged—not destroyed—and that Iran’s nuclear program had been set back by just a few months.

Hegseth dismissed the report as “low confidence” and noted that it contained “gaps in the information.” The accompanying videos illustrated how the bombers executed their attack, emphasizing the precision and depth-focused design of the bunker-buster weapons, according to NDTV.

Hegseth also criticized the media for downplaying the operation’s success, accusing journalists of prioritizing scandal over substance.

“Searching for scandals, you miss historic moments like recruiting at the Pentagon, historic levels in the Army, the Air Force, and the Navy,” he said.

While Hegseth went on the offensive against the press, General Caine avoided political commentary, focusing instead on the extensive technical and operational planning involved in the mission. 



 

Dan Caine details the damage mechanisms used in the strikes

General Dan Caine provided a detailed breakdown of the mechanisms behind the damage inflicted during the strikes. “A bomb has three effects that cause damage: blast, fragmentation, and overpressure,” he explained. “In this case, the primary kill mechanisms in the mission space were a mix of overpressure and blast.”

Caine emphasized the sophistication of the operation: “The video I'm about to show you is the culmination of 15 years of testing and development, hundreds of test shots on various models.”Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine turns to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference with U.S. Defense Secretary Pete Hegseth at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the U.S. military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar. (Photo by Andrew Harnik/Getty Images)

Gen Dan Caine turns to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference with Pete Hegseth at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the US military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar (Andrew Harnik/Getty Images)

He highlighted the work of two officers at the Defense Threat Reduction Agency who had studied Iran’s underground Fordow facility for 15 years, the engineers who developed the 30,000-pound bunker-buster bombs, the B-2 crews who flew the 37-hour mission, and the troops who protected US bases from Iranian retaliation.

Caine explained that all six bombs aimed at Fordow hit their targets with precision. “Unlike a normal surface bomb, you won’t see an impact crater,” he noted. Instead, the bombs targeted ventilation shafts that Iran had tried to reinforce with concrete just days before the strike.



 

On each side of the facility, the first bomb breached the shaft, allowing four more to follow at speeds exceeding 1,000 feet per second. A sixth bomb served as a backup in case of malfunction but ultimately wasn’t needed.

Officials did not elaborate on the strikes against Natanz, which was hit with two bunker-busters, or Isfahan, where a single missile was launched from a US Navy submarine.

When asked about the fate of the 880 pounds of enriched uranium believed to be stored underground at Isfahan, Hegseth replied, “We’re looking at all aspects of intelligence and making sure we have a sense of what was where.”

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