On 29 September 2020, A delegation of Defense Attachés from Embassies of Danmark, Norway, Lithuania and Sweden in China visited NISCSS. The delegates include Brigadier General Ole Kværnø (Danmark), Colonel Rune Støtvig and Linn Roodla (Norway), Colonel Darius Šareika (Lithuania) and Josefine Willander Angel (Sweden). President Wu Shicun and NISCSS scholars had a roundtable with the guests. The two sides exchanged views on the current situation and future prospect of the South China Sea, China's South China Sea policy, maritime dispute settlement and crisis management, maritime militia, authority and administration of Sansha City and maritime law enforcement issues.