OCCAR News 05. November 2019 UK Joins the BOXER Family On 4. November 2019, the OCCAR-EA Director and the ARTEC Chief Executive Officers signed a contract for the procurement of more than 500 BOXER vehicles on behalf of the United Kingdom of Great Britain and Northern Ireland (UK). 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.