The bunker-busting nuclear bomb that almost was

So, the Pentagon used a massive bomb against caves in eastern Afghanistan that currently house ISIS fighters, and previously housed insurgents fighting against British rule in the 19th century and mujahadeen fighting against Soviet control in the 20th century. For centuries, the caves of Afghanistan have made it difficult for outsiders to control the country. But in the early 21st century, the United States considered developing a brand new weapon to nullify these ancient defenses. The “Ro