TRANSFER OF SECURITY RESPONSIBILITY Doctor Zalmay Khalilzad, U.S. Ambassador to Iraq, and Gen. George Casey, Commanding General, Multi-National Force - Iraq, attend a transfer of security responsibility ceremony in Baghdad, Iraq, Sept. 21, 2006. SHARE IMAGE: Download Image: Full Size (0.11 MB) Photo By: VIRIN: 041728-L-EXI28-914.jpg Photo Gallery