<http://schema.org/description>
"The GBU-57A/B is a GPS-guided 30,000 lb bomb designed to take out hardened underground targets. It can penetrate 200 feet of hardened concrete before its 5,300 pound warhead explodes. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/massive-ordnance-penetrator-mop-gbu-57ab/20538/>