IED Blitz would focus as many forms of surveillance as possible in a "persistent stare" at a bomb-infested 20-kilometer stretch of Route Tampa, just south of Balad on the road to Baghdad. The blitz would enlist satellites, U-2 spy planes, 14 Mako unmanned aerial vehicles, a pair of larger I-Gnat drones, and the Horned Owl, a Beechcraft turboprop airplane equipped with ground-penetrating radar used to assess whether road shoulders had been disturbed by digging.
Attacks had grown increasingly extravagant, with "daisy-chained" munitions that included as many as 22 artillery shells wired together to explode simultaneously in a 300-yard "kill zone." Intelligence analysts assumed that such ambush sites took hours or even days to prepare. On the basis of past attack patterns, they predicted that 60 IEDs would be planted in 75 days on this short segment of Route Tampa.
Hundreds of thousands of photographs would be snapped as part of a technique called "coherent change detection." Two images of the same scene taken at different times would be compared, pixel by pixel, to spot changes in the landscape -- such as the anomalies caused by an insurgent planting a bomb. Ground convoys could be warned, and, if the reconnaissance was nimble, hunter-killer teams could flush emplacers or triggermen.
The operation, estimated to cost at least $3 million, would be directed from Defense Department offices leased in Fairfax County.
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