PENTAGON WELCOME U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, welcomes his South Korean counterpart, Navy Adm. Choi Yoon-hee, before escorting him through an honor cordon at the Pentagon, March 11, 2014. Choi was making his first trip to the Pentagon as chairman of South Korea's joint chiefs. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 655487-K-BGA51-287.jpg Photo Gallery