Navy Pursuing Dial-a-Blast Bomb
The Navy wants a smarter bomb. Not just a bomb that can land within a few meters of the bull's eye — but a bomb that can do so, with just the right amount of blast.
On Monday, the Navy posted a request for information on possible concepts for "selectable output weapons." According to the description, this future weapon would have a variable blast radius, limiting the potential for civilian casualties, often referred to as "collateral damage."
"Current cylindrical steel-cased blast fragmentation warheads distribute fragmentation radially in all directions from the detonation point. Often, many fragments travel far beyond the intended target. These fragments can create collateral damage hazards," the Navy understates. And that can lead, alas, to "restricted rules of engagement."
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http://blog.wired.com/defense/2008/1...ants-dial.html