Unfortunately it didn't take long, and it was particularly bloody.
CBC has the details, among others.
A roadside bomb took out a Humvee. In addition at least two soldiers were wounded.
The Iraqi police are investigating, and their equivalent to the FBI is collecting forensic evidence. Sources within the Iraqi police indicate that the suspect list is short and growing shorter.
OK, I made up that last paragraph. Sovereignty is an obvious cruel joke when U.S. forces are escalating their presence in the country. I wonder if anyone is still buying it.