ANKARA--May 28, 2014--Researched by Industrial Info Resources (Sugar Land, Texas)--Turkey's largest defense systems producer, Aselsan (BIST:ASELS) (Ankara, Turkey), signed a memorandum of understanding (MoU) with Airbus Group (CAC:AIR) (Toulouse, France) to develop civil and military avionic systems, satellite communication systems and secure radio communications with Airbus.