Home News 02. November 2017 OCCAR awards ESSOR Operational Capability 1 (OC1) contract The OCCAR Director, Arturo Alfonso Meiriño and the a4ESSOR SaS president, Lino Lagana signed today, 2 November, in Bonn the contract for ESSOR Operational Capability 1. 25. November 2015 ESSOR Interoperability Demonstration to NATO Following the successful completion of the first phase of the ESSOR Programme, the ESSOR community (both governments and industries) decided to demonstrate their outstanding results to the NATO nations 26. May 2015 New interoperability qualification testing in the ESSOR Programme Following the first successful Interoperability Functional Qualification Review(FQR) of the ESSOR Programme, a new Interoperability FQR was conducted on 26, 27 and 28 May 2015 in Gdynia (Poland).