Gen. Curtis M. Scaparrotti, United Nations Command, Combined Forces Command, U.S. Forces Korea commander visits Republic of Korea soldiers at the Joint Security Area Feb 6, 2016. The Republic of Korea-U.S. Alliance is strong and has a long history of deterring aggression on the Korean Peninsula. The alliance has enjoyed unparalleled success in preserving the terms of the Armistice Agreement, promoting democracy, and providing security for the citizens of the Republic of Korea and Northeast Asia.