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GBU-57/B Massive Ordnance Penetrator (MOP)

Weight, total 13,600 kg [slightly less than 30,000 pounds]
Weight, explosive 2,700 kg [6,000 lb] "over 5,300 pounds"
Length 6 m / 20.5 feet long
Diameter 31.5-inch diameter
Control short-span wings and trellis-type tail
Penetration 60 meters (200 feet) through 5,000 psi reinforced concrete
40 meters (125 feet) through moderately hard rock
8 meters (25 feet) through 10,000 psi reinforced concrete

(these number seem suspiciously high and may in fact be first in feet, not meters)
Contractors Boeing, Northrop Grumman
Sponsors Air Force Research Laboratory's Munitions Directorate
Defense Threat Reduction Agency.
Platforms B-52, B-2
Guidance GPS aided INS
  • 2005 - Refine MOP concept and begin detailed weapon development and testing
  • 2005 - statically emplaced Proof-of Principle test of payload effectiveness
  • 2006 - static lethality demonstration against hard and deeply buried targets
  • 2006 - scaled penetration and lethality testing
  • 2007 - Conduct Massive Ordnance Penetrator Demonstration
  • 2007 - full-scale performance demonstration against realistic hard and deeply buried targets

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    Page last modified: 15-11-2011 17:55:04 ZULU