To blow up an Islamic State tunnel complex in eastern Afghanistan, the United States has dropped one of its most powerful non-nuclear bombs — the Massive Ordnance Air Blast bomb, or MOAB, a 21,000-pound munition packing an explosive punch larger than almost anything else in the U.S. conventional arsenal.

According to the Defense Department, local Islamic State fighters had bolstered their subterranean defenses in the province of Nangarhar, Afghanistan. The MOAB, or GBU-43, was designed as a bunker buster, to allow U.S. forces to penetrate underground nuclear facilities like those in Iran — but made its debut in a more rustic setting. Tiếp tục đọc “United States Drops ‘Mother of All Bombs’ On ISIS in Afghanistan” →