OCCAR News 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 01. November 2011 Final assembly of the first A400M for France starts in Seville Following the launch of A400M series production last February, Airbus Military has begun final assembly of the first A400M that will be delivered to a customer - the French Air Force. 16. February 2011 16 February 2011: A400M Maturity Gate Milestone Achieved One of the most important industrial decisions on the A400M Programme was taken on 16 February 2011. The so called Maturity Gate Milestone was reviewed by an independent panel and as a result of this review the gate has now been passed. 01. February 2011 A400M begins cold weather trials in Sweden The second A400M development aircraft - Grizzly 2 - visited Kiruna in northern Sweden for four days of cold weather trials at the beginning of February.