SOFIA, JANUARY 24, ARMENPRESS/BTA. Scientists on board the Bulgarian military research vessel Sv. Sv. Kiril i Metodii (RSV 421) continue to work on their scientific projects on Wednesday. Geologist Kalin Naydenov and mountaineers Doichin Boyanov and Kiril Doskov were able to take geological samples from rock outcrops in the Sopot Ice Piedmont, located near Half Moon Island.