GBU-43/B - GBU-43/B
The GBU-43/B, also known as Massive Ordnance Air Blast (MOAB), is a 20,000-pound class bomb designed to hit large areas of enemy territory to achieve a terrifying psychological impact.
По больше этои пока не нашел.Вроде вакумного пугача на поверхности.Про норы не пишут,хотя в Афганистане подобные применяли так,как вы пишите.
Добавлено спустя 7 минут 34 секунды:
JDAM - JDAM DAMASK
Under DAMASK (Direct Attack Munition Affordable SeeKer) program the US military are trying to add an image seeker to the JDAM bomb achieving improved accuracy. DAMASK objective is to provide a CEP accuracy to JDAM about 3 meters. With such accuracy the JDAM bomb will be able to completely replace current laser guided bombs from the US inventory.(500 lb,230 kg)
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На крышку шахты надо Дамаск кидать!
Добавлено спустя 20 минут 10 секунд:
http://www.fas.org/programs/ssp/man/mil ... o.html#big