What is the fine-grained topic of the following text: The event will be held at the National Defence Academy "G.S.Rakovski"
The fruitful discussions and work done during the First Establishment Conference together with experts from NATO HQ, GRE, GBR, HRV, HUN, ITA, NLD, POL, ROM, TUR, USA, SEEBRIG and other GOs and NGOs, led to the successful revision of the CMDR COE Concept. Only return the topic.
Revision of the CMDR COE Concept at the National Defence Academy "G.S.Rakovski" Conference