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Satellite imagery from Vantor shows that a site long linked to Iran's nuclear program has been struck in a manner that raises the question of whether 30,000-pound GBU-57/B Massive Ordnance Penetrator (MOP) bunker buster bombs were employed.

Did B-2s Just Drop GBU-57 Massive Ordnance Penetrators On Another Iranian Nuclear Site? (Updated)

By Joseph Trevithick, Howard Altman

Posted on Mar 12, 2026

B-2s were used to strike for the first time during operation Epic Fury.

B-2 Spirits Join Iran Air War, Pummel Underground Missile Caves (Updated)

By Tyler Rogoway

Posted on Mar 1, 2026

A decision by the U.K. to block U.S. access to two key bases for an attack on Iran could impact President Donald Trump's plans.

U.K. Denying U.S. Use Of Key Bases Would Impact Bombers’ Role In Iran Air Campaign

By Howard Altman

Posted on Feb 19, 2026

U.S. military aircraft employed GBU-39/B Small Diameter Bombs (SDB) and laser-guided 70mm Advanced Precision Kill Weapon System II (APKWS II) rockets as part of the operation to strike Iranian nuclear facilities earlier this year.

Pentagon Moves To Replace Weapons It Used In Operation Midnight Hammer

By Joseph Trevithick

Updated on Sep 17, 2025

A pair of B-2 bombers touched down at Elmendorf Air Force Base in Alaska yesterday, and more may now be headed in the same direction.

B-2 Bombers Arrive At Alaskan Airbase Putin Will Land At (Updated)

By Joseph Trevithick

Updated on Aug 15, 2025

A B-2 bomber left a smiley face made out of bomb craters on the 'runway' of a mock airfield during a test some two decades ago.

B-2 Bombed A Smiley Face Of Craters Into The Ground Because It Ran Out Of Targets

By Joseph Trevithick

Updated on Aug 8, 2025

For all the new capabilities the B-21 Raider will bring as an individual aircraft, the U.S. Air Force's top bomber officer says he is most excited about the sheer numbers of those aircraft that are set to enter service in the coming years.

For B-21, Quantity Is Its Most Critical Quality Top Bomber Officer Says

By Joseph Trevithick

Posted on Aug 7, 2025

The Pentagon is waiting for comprehensive battle damage assessment to see how well the MOP worked against Iranian nuclear facilities and how it can be improved.

GBU-57 Massive Ordnance Penetrator’s Results From Iran Strike Will Inform Its Future: Defense Officials

By Howard Altman

Updated on Jul 10, 2025

The U.S. Air Force is exploring new options to help with the development of improved fuzes for the 30,000-pound GBU-57/B Massive Ordnance Penetrator (MOP) bunker buster bomb.

New Fuzes For GBU-57 Massive Ordnance Penetrators Requested By USAF

By Joseph Trevithick

Posted on Jul 7, 2025

The Pentagon has shared extensive new information about the use of 30,000-pound GBU-57/B Massive Ordnance Penetrator (MOP) bunker buster bombs in recent strikes on Iran, a mission it says was 15 years in the making.

Everything We Just Learned About The GBU-57 Massive Ordnance Penetrator Strikes On Iran

By Joseph Trevithick

Updated on Jun 26, 2025

B-2 hawaii diverted during decoy operation

B-2 Used As Decoy For Iran Strike Mission Is Stuck In Hawaii

By Tyler Rogoway

Posted on Jun 25, 2025

The U.S. Air Force's first combat employment of 30,000-pound GBU-57/B Massive Ordnance Penetrator (MOP) bunker buster bombs in recent strikes on Iranian nuclear sites draws new attention to work toward a successor.

GBU-57 Massive Ordnance Penetrator Successor In The Works

By Joseph Trevithick

Posted on Jun 24, 2025

Satellite imagery shows clear evidence that Iran took steps to seal off its nuclear enrichment facility at Fordow in the days leading up to the U.S. strikes, which would have helped shield it against a potential ground raid.

Iran’s Fordow Nuclear Site Likely Sealed Up Before B-2 Strikes

By Joseph Trevithick

Updated on Jun 24, 2025

U.S. Secretary of Defense Pete Hegseth and Chairman of the Joint Chiefs of Staff U.S. Air Force Gen. Dan "Razin" Caine have now briefed TWZ and other reporters on the historic strikes on Iranian nuclear facilities last night, dubbed Operation Might Hammer.

B-2 Strikes On Iran: What We Know About Operation Midnight Hammer (Updated)

By Howard Altman, Tyler Rogoway, Joseph Trevithick

Updated on Jun 22, 2025

B-2s bombed iran

U.S. Has Attacked Iran’s Nuclear Facilities (Updated)

By Howard Altman, Tyler Rogoway

Updated on Jun 22, 2025

At least two separate groups of B-2 Spirit stealth bombers are currently heading westward across the Pacific Ocean, but their exact final destination is currently unclear.

B-2 Bombers Head West Across Pacific Amidst Iran Crisis

By Joseph Trevithick

Updated on Jun 21, 2025