Home2011 Treaties and Agreements ...Sweden (11-519) – Implementing Arrangement for Cooperation in Aeronautic and Space Research Using Nanosatellite Technologies hide Sweden (11-519) – Implementing Arrangement for Cooperation in Aeronautic and Space Research Using Nanosatellite Technologies TIAS Office of Treaty Affairs May 19, 2011 Space Cooperation Arrangement signed at Washington and Solma May 10 and 19, 2011; entered into force May 19, 2011. Download attachment [537 KB] Tags International Law, Treaties, and Agreements Space Sweden