U.S. Drops 'Mother of All Bombs' on ISIS Tunnel Complex
The Air Force Research Laboratory developed the GBU-43/B Massive Ordnance Air Blast conventional bomb in 2003 but it was never used.
Technicians stand next to a GBU-43/B Massive Ordnance Air Blast bomb in this U.S. Air Force archive photo.
Technicians stand next to a GBU-43/B Massive Ordnance Air Blast bomb in this U.S. Air Force archive photo.