Home2011 Treaties and Agreements ...Romania (11-1223) – Agreement on the Deployment of the United States Ballistic Missile Defense System in Romania hide Romania (11-1223) – Agreement on the Deployment of the United States Ballistic Missile Defense System in Romania TIAS Office of Treaty Affairs December 23, 2011 Weapons Agreement signed at Washington September 13, 2011; entered into force December 23, 2011. With attachment. Download attachment [2 MB] Tags Romania Treaties Weapons