Kimberly Kagan, executive director of the Institute for the Study of War, and Frederick W. Kagan, resident scholar at the American Enterprise Institute--both WEEKLY STANDARD contributors--have put out a great fact sheet on Operation Phantom Thunder, which Army Lt. Gen. Raymond T. Odierno described as the end of the force build-up portion of the surge and the beginning of offensive operations. "It is an open-ended operation that will extend through the summer and will be done in conjunction with civil-military operations to support political and economic efforts," Odierno said. Click here or on the text below to download the pdf. Roggio's also got some great reporting on the operation here.