Home2009 Treaties and Agreements ...Multilateral (09-1028.1) – Agreement Regarding Surface Combatant Aluminum Structure Design hide Multilateral (09-1028.1) – Agreement Regarding Surface Combatant Aluminum Structure Design TIAS Office of Treaty Affairs October 28, 2009 Defense: Research and Development Agreement signed at Arlington and Koblenz October 1, 7, and 28, 2009; entered into force October 28, 2009. Download attachment [1 MB] Tags Defense Multilateral Treaties