The GBU-57 Massive Ordnance Penetrator (MOP) is a 30,000-lb (14,000 kg), 20-foot long GPS-guided bomb said to be able to penetrate 200 feet of concrete before exploding. The weapon is exclusively ...

The 30,000-pound Massive Ordnance Penetrator (MOP) is the largest bomb in the U.S. arsenal, and its new design is tailored specifically for striking Iran 's Fordow nuclear enrichment complex.

Dubbed by some in the United States military as the “Father of All Bombs,” the GBU-57 is America’s largest non-nuclear bomb ... known as the Massive Ordnance Penetrator (MOP) and it stands ...