America’s Nuclear Web site Killer Bomb Reappears Amid Pressure With Iran

DUBAI: As tensions with Iran have escalated over its nuclear program, the U.S. navy this month posted footage of a strong bomb designed to penetrate deep into the earth and destroy underground services that may very well be used to counterpoint uranium. The U.S. Air Power on Could 2 launched uncommon photos of the weapon, the GBU-57, often called the “Large Ordnance Penetrator.” Then it took the pictures down — apparently as a result of the pictures revealed delicate particulars in regards to the weapon’s composition and punch.

The publication of the pictures comes as The Related Press reported that Iran is making regular progress in setting up a nuclear facility that’s probably past the vary of the GBU-57, which is taken into account the U.S. navy last-ditch weapon to take out underground bunkers.


The U.S. developed the Large Ordnance Penetrator within the 2000s as considerations grew over Iran hardening its nuclear websites by constructing them underground. The Air Power posted photos of the bombs on the Fb web page for Whiteman Air Power Base in Missouri. The bottom is residence to the fleet of B-2 stealth bombers, the one plane that may deploy the bomb. In a caption, the bottom stated it had obtained two Large Ordnance Penetrator bombs so a munitions squadron there may “check their efficiency.”

It’s not the primary time the Air Power has printed pictures and movies of the bomb that coincided with rising acrimony with Tehran over its nuclear program. In 2019, the U.S. navy launched a video of a B-2 bomber dropping two of the bombs. The Air Power didn’t reply to requests for touch upon why it posted — and eliminated — the newest set of pictures.


The newest pictures revealed stenciling on the bombs that listed their weight as 12,300 kilograms (27,125 kilos). It additionally described the bomb as carrying a mixture of AFX-757 — a regular explosive — and PBXN-114, a comparatively new explosive compound, stated Rahul Udoshi, a senior weapons analyst at Janes, an open-source intelligence agency.

The load of the bomb, judging from the stenciling, exhibits nearly all of it comes from its thick metal body, which permits it to chew by way of concrete and soil earlier than exploding. Nonetheless, it stays unclear what the precise effectiveness of the weapon can be.

The Warzone, an Web information web site, first reported on the publication of the pictures. The AP contacted Whiteman Air Power Base and the Air Power’s International Strike Command with questions in regards to the photos. Inside a day, the Fb put up vanished. Udoshi stated the Air Power probably took them down as a result of they revealed an excessive amount of information in regards to the bombs. “Fast removing from the web with out remark (or) justification means there’s a potential lapse,” Udoshi stated.


The AP reported on Monday that satellite tv for pc imagery from Planet Labs PBC reveals Tehran has been digging tunnels within the mountain close to the Natanz nuclear web site in central Iran. Excavation mounds on the web site counsel the power may very well be between 80 meters (260 ft) and 100 meters (328 ft) below the bottom, in line with the consultants and AP’s evaluation.

Specialists say the dimensions of the development venture signifies Iran probably would have the ability to use the underground facility to counterpoint uranium as properly — not simply to construct centrifuges. These tube-shaped centrifuges, organized in massive cascades of dozens of machines, quickly spin uranium gasoline to counterpoint it. Extra machines would permit Iran to rapidly enrich uranium below the mountain’s safety.

That may very well be an issue for the GBU-57: In beforehand describing the bomb’s capabilities, the Air Power has stated it may tear by way of 60 meters (200 ft) of floor and cement earlier than detonating.


U.S. officers have mentioned utilizing two such bombs in succession to make sure a web site is destroyed. However even then, the brand new depth of the Natanz tunnels probably presents a critical problem. Additional complicating any doable U.S. navy strike is that the B-2 had been grounded for months since December when one caught fireplace after an emergency touchdown. On Monday, Gen. Thomas A. Bussiere, the commander of the Air Power’s International Strike Command, introduced the B-2 grounding had been lifted.

“Whereas the B-2 fleet security pause is formally over, our potential to ship nuclear deterrence and supply long-range strike was by no means doubtful,” he stated in an announcement.

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