Explained: What Are B-2 Bombers and Bunker-Busters Used by US in Iran Nuclear Strikes

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In a high-stakes escalation, the United States deployed six B-2 Spirit stealth bombers and dropped 12 GBU-57 Massive Ordnance Penetrators (MOPs)—commonly known as bunker-buster bombs—to strike Iran’s fortified nuclear facilities at Fordow, Natanz, and Isfahan. The operation marks the first-ever combat use of the GBU-57, a weapon specifically designed to destroy deeply buried targets.

✈️ What Is the B-2 Spirit Bomber?

The B-2 Spirit, developed by Northrop Grumman, is one of the most advanced and expensive aircraft in the world, costing approximately $2.1 billion each.

  • Stealth Capabilities: Its radar cross-section is comparable to a small bird, making it nearly invisible to enemy radar.
  • Range: Over 6,000 nautical miles without refueling; with aerial refueling, it can strike any target globally.
  • Payload: Can carry over 40,000 pounds of conventional or nuclear weapons, including two GBU-57 MOPs per mission.
  • Crew: Operated by just two pilots, aided by advanced automation systems.

💣 What Is the GBU-57 ‘Bunker-Buster’?

The GBU-57A/B Massive Ordnance Penetrator is the largest conventional bomb in the U.S. arsenal:

  • Weight: 30,000 pounds (13,600 kg)
  • Length: 20.5 feet (6.25 meters)
  • Penetration Power: Can pierce 200 feet of earth or 60 feet of reinforced concrete before detonation
  • Purpose: Designed to destroy hardened underground bunkers, like Iran’s Fordow facility buried deep beneath a mountain

🚀 Cruise Missiles Complement the Strike

In addition to the air assault, 30 Tomahawk cruise missiles were launched from U.S. submarines, targeting Natanz and Isfahan. These precision-guided missiles are known for their long range and ability to evade air defenses.

🧭 Why These Weapons Were Chosen

Iran’s nuclear sites are heavily fortified and shielded by Russian-made air defense systems. The B-2’s stealth and the MOP’s deep-penetration capability made them the only viable option for a successful strike.

Stay with us for continuing updates on this developing story.

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