Last THROES?

American casualties from bomb attacks in Iraq have reached new heights in the last two months as insurgents have begun to deploy devices that leave armored vehicles increasingly vulnerable, according to military records.

Last month there were about 700 attacks against American forces using so-called improvised explosive devices, or I.E.D.'s, the highest number since the invasion of Iraq in 2003.....

The surge in attacks, the officials say, has coincided with the appearance of significant advancements in bomb design......

full story:
Iraqi Rebels Refine Bomb Skills, Pushing Toll of G.I.'s Higher