U.S. Air Force Lt. Col. Scott Foley, 633rd Security Forces Squadron commander, explains the training concept of deployment and sustainment for security forces at Langley Air Force Base, Va., Feb. 10, 2012. Foley participated in a telephone interview with Airman Magazine about SFS training and the end of operations in Iraq Feb. 13, 2012. (U.S. Air Force photo by Airman 1st Class Kayla Newman/Released)