Evaluations
The basic operational concept bears some similarity to the BLU-82 Daisy Cutter, which was used to clear heavily wooded areas in the Vietnam War and in Iraq to clear mines and later as a psychological weapon against the Iraqi military. After witnessing the psychological impact of the BLU-82 on enemy soldiers, and not having any BLU-82 weapons remaining, the MOAB was developed partly to continue the role of intimidating the Iraqi soldiers. Pentagon officials had suggested their intention to use MOAB as an anti-personnel weapon, as part of the "shock and awe" strategy integral to the 2003 invasion of Iraq.
The MOAB is not a penetrator weapon and is primarily intended for soft to medium surface targets covering extended areas and targets in a contained environment such as a deep canyon or within a cave system. However, multiple strikes with lower yield ordnance may be more effective and can be delivered by fighter/bombers such as the F-16 with greater stand-off capability than the C-130 and C-17. High altitude carpet-bombing with much smaller 500 to 2,000 pound bombs delivered via heavy bombers such as the B-52 or B-2 is also highly effective at covering large areas.
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GBU-43/B on display at the Air Force Armament Museum, Eglin Air Force Base, Florida. Note the grid fins.
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Al Weimorts (left), the creator of the GBU-43/B Massive Ordnance Air Blast bomb, and Joseph Fellenz, lead model maker, look over the prototype before it was painted and tested.
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Prototype MOAB an instant before impact on Eglin AFB's Range 70.
Read more about this topic: GBU-43/B Massive Ordnance Air Blast Bomb