The US just dropped a 21,600-pound ordinary bomb called the Massive Ordinance Air Blast AKA the “Mother of All Bombs” (MOAB) in Afghanistan, however Russia has a greater one.
The “Father of All Bombs,” (FOAB) is four times greater than the MOAB. It’s a thermobaric bomb with a demolition range of almost 1,000 feet and an blast yield of about 44 tons of TNT.
Thermobaric weapons vary from traditional bombs in that they join with atmospheric oxygen to significantly expand the impact radius.
Developed in 2007, the FOAB detonates in midair, touching off a fuel-air blend. It vaporizing targets and collapses structures, delivering impacts and post-quake powerful as effective as a little nuclear impact yet without the same radioactive aftermath.