In the Main Branch the terminal sump called "Dva Kapitana" ("Two Captains") was tested by Gennadiy Samokhin to depth of 17 m, which extended the total depth of Krubera Cave to .
In the Main Branch the terminal sump called "Dva Kapitana" ("Two Captains") was tested by Gennadiy Samokhin to depth of 17 m, which extended the total depth of Krubera Cave to .