Home2005 Treaties and Agreements ...Sweden (05-1206) – Agreement for Cooperation in Environmental Protection and Defense Matters hide Sweden (05-1206) – Agreement for Cooperation in Environmental Protection and Defense Matters TIAS Office of Treaty Affairs December 6, 2005 Defense: Cooperation Agreement signed at Stockholm and Washington November 23 and December 6, 2005; entered into force December 6, 2005. Download attachment [742 KB] Tags Defense Sweden Treaties