Group 1 - The third China-ASEAN Defense Think Tank Exchange will be held from June 18 to 20 in Guiyang, focusing on promoting regional peace and building a secure community [1] - The theme of the event is "Promoting Regional Peace and Building a Secure Community," emphasizing defense cooperation and maritime security [1] - Participants will include defense policy officials and experts from China, ASEAN countries, East Timor, and representatives from the ASEAN Secretariat [1]