Intelligence teams track evolution of enemy bombs

By Steven Komarow, USA TODAY
Tue May 31, 6:41 AM ET

The engine sitting upright on the tarmac, about 10 yards from the crater, gets the once-over from Sgt. 1st Class Carlos Tyson. It's the largest piece of an Opel sedan that a couple of hours earlier exploded into shreds that tore through nearby cars and people in this enclave southeast of Baghdad.

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