The GBU-43/B, also known as the Massive Ordnance Air Blast, detonates during a test at Eglain Air Force Base, Florida, on Nov 21, 2003. The bomb, known officially as a GBU-43B, or massive ordnance air blast weapon, unleashes 10 tonnes (22,000 pounds, 11 tons) of explosives. When it was developed in the early 2000s, the Pentagon did a formal review of legal justification for its combat use. Adam Stump, a Pentagon spokesman, said the bomb was dropped from a US MC-130 special operations transport. He said the bomb had been brought to Afghanistan "some time ago" for potential use.

Source: Bangkok Post April 13, 2017 20:37 UTC