Analysis
Pointing the world’s largest bomb at North Korea
The U.S. made bunker busting Massive Ordnance Penetrator developed with N. Korean, Iranian targets in mind
In 1991, during the first Gulf War, the U.S. military recognized a need for weapons that could pierce underground concrete bunkers and hardened facilities.
In three weeks military researchers fashioned a hardened steel bomb made from an artillery casing that could be dropped from a high altitude, pierce earth and concrete, and detonate inside underground bunkers.
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