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Massive Ordnance Penetrator (MOP) Bomb

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Massive Ordnance Penetrator (MOP) bomb

Massive Ordnance Penetrator (MOP) bomb

Photo courtesy Defense Threat Reduction Agency
The Air Force’s Massive Ordnance Penetrator (MOP) bomb is a 30,000 pound bomb designed to destroy hardened, underground targets.

General

The Massive Ordnance Penetrator (MOP) bomb has been developed by Boeing for use against hardened, reinforced targets up to 200 feet underground. The bomb is GPS guided and carried by the B-2 bomber. The bomb is so large and heavy the B-2 bomber can only carry two at a time. The bomb weighs 30,000 pounds and carries 6,000 pounds of explosives. The nose and body are designed for ground penetration and made of a cobalt alloy material. The explosives detonate after ground penetration rather than upon initial impact delivering the explosive power to the underground target. The bomb has small wings and tail constructed link a trellis for guidance. The Air Force has less than 10 of these bombs.

Specifications

  • Length: 20 feet
  • Diameter: 31 ½”
  • Overall Weight: 30,000 pounds
  • Explosives: 6,000 pounds
  • Reinforced concrete penetration: up to 200 feet
  • Hard rock penetration: 125 feet
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