Home2011 Treaties and Agreements ...Norway (11-110) – Arrangement on the Interface Region Imaging Spectrograph (IRIS) Mission hide Norway (11-110) – Arrangement on the Interface Region Imaging Spectrograph (IRIS) Mission TIAS Office of Treaty Affairs January 10, 2011 Space Cooperation: Interface Region Imaging Spectrograph Mission Arrangement signed at Washington and Oslo December 14, 2010 and January 10, 2011; entered into force January 10, 2011. Download attachment [422 KB] Tags Norway Space Treaties