b'When the US dropped a 22,600-pound bomb near suspected ISIS tunnels in Afghanistan\\u2019s Nangarhar province on Thursday, the blast from the explosion would have rushed into the furthest reaches of the mountain complex about a mile away. The GBU-43, known as Moab\\u2014short for Massive Ordnance Air Blast, or, colloquially, Mother of All Bombs\\u2014is the largest non-nuclear, non-penetrating bomb in the US arsenal. And until now, this mother had never been used outside of a testing facility.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'