It's not known, to the best of my understanding.

They're trying different ways to place these things, they're trying to keep focused on US activities, ... We're always trying to learn off of them, they're always trying to learn off of us.

It's still classified, ... along with a lot of the underlying planning.

An adversary that continues to develop some sophistication on very deadly and increasingly precise standoff weapons.

Decisions were made then that seemed appropriate at the time. And now the Iraqi government is making decisions that seem appropriate to this point.

The department remains in regular consultation with the relevant committees in Congress and with other agencies within the intelligence community, including the CIA.