OCCAR News 22. March 2019 ESSOR Architecture published The ESSOR PSs decided to publish the ESSOR Architecture, to allow the global SDR community to benefit from the expertise achieved in ten years of development, and to use it as a building block of future interoperable SDR applications. 31. March 2012 SECOND ITALIAN MULTIPURPOSE FRIGATE LAUNCHED: VIRGINIO FASAN On 31st March 2012, another significant FREMM Programme high level objective was achieved. At Riva Trigoso (Genoa) shipyard the Italian frigate “Virginio FASAN” was launched.