Col. Michael Bills (right), the commander of the 3rd Armored Cavalry Regiment, speaks to a group of senior leaders in the regiment's 4th "Longknife" Squadron, May 4. While Bills and the bulk of the regiment serve in Mosul, the aviators in 4th Squadron are attached to Task Force XII in support of Multi-National Division – Baghdad. The 3rd ACR is based out of Fort Hood, Texas. (U.S. Army photo/Sgt. 1st Class Chris Seaton, Task Force XII )