The basic principle resembles that of the
BLU-82 Daisy Cutter, which was used to clear heavily wooded areas in the
Vietnam War. Decades later, the BLU-82 was used in Afghanistan in November 2001
[5] against the Taliban. Its success as a weapon of intimidation led to the decision to develop the MOAB. Pentagon officials suggested MOAB might be used as an
anti-personnel weapon, as part of the "
shock and awe" strategy integral to the
2003 invasion of Iraq.
[6]
...
The MOAB is not a
penetrator weapon and is primarily an
air burst bomb 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.
[7] High altitude
carpet-bombing with much smaller 230-to-910-kilogram (500 to 2,000 lb) bombs delivered via heavy bombers such as the
B-52,
B-2, or the
B-1 is also highly effective at covering large areas.
[8]
The MOAB is designed to be used against a specific target, and cannot by itself replicate the effects of a typical heavy bomber mission. During the
Vietnam War's
Operation Arc Light program, for example, the
United States Air Force sent
B-52s on well over 10,000 bombing raids, each usually carried out by two groups of three aircraft. A typical mission dropped 168 tons of ordnance, pounding an area 1.5 by 0.5 miles with an explosive force equivalent to 10 to 17 MOABs.
[9][10][11]