U.S. Army Lt. Gen. Robert L. Caslen Jr., left, greets U.S. Army Chief of Staff Gen. Raymond T. Odierno, upon his arrival at Baghdad International Airport in Baghdad, Dec. 22, 2011. Caslen is the commanding general of the Office of Security Cooperation-Iraq. U.S. Army Lt. Gen. Robert L. Caslen Jr., left, greets U.S. Army Chief of Staff Gen. Raymond T. Odierno, upon his arrival at Baghdad International Airport in Baghdad, Dec. 22, 2011. Caslen is the commanding general of the Office of Security Cooperation-Iraq. SHARE: Download: Full Size (1.62 MB) Tags: Photo Essays Credit: VIRIN: 009387-W-DIL60-633.jpg Photo Gallery