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A U.S. Army plant in Oklahoma is being upgraded to ... The Massive Ordnance Penetrator (MOP), known as the GBU-57A/B, is a ...
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The Massive GBU-57A/B MOP Was Built for a War with ChinaIn addition to its massive weight (over 12 tons), the GBU-57A/B MOP is quite large with a length of 20.5 feet (for comparison, an F-16 Fighting Falcon fighter jet is 49 feet long) and a diameter ...
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