Today, after completing deep submergence investigations in the area of Posolskaya Banka, participants of the expedition “Mirs in Baikal” are running scheduled maintenance works of Mir vessels. Scientists are performing hydro-chemical and biological examinations of samples taken during the previous submersions. The schedule of the expedition has been fully accomplished. Next submersions of Mir deep submergence vessel are scheduled for the area of Krugobaikalsk railway.