Commission Decision (EU) 2018/563 of 20 November 2017 on State aid SA.34308 (2013/C) (ex 2013/NN) implemented by the Hellenic Republic for Hellenic Defence Systems S.A. (EAS — Ellinika Amyntika Systimata) (notified under document C(2017) 7361) (Text with EEA relevance. )