17.01.2005 17.01.2005 —> On January a group of divers from Yekaterinburg to dive under the ice on the river Tobol. In November last year, they raised from the…

In 1934, the cadet VMIU them. Dzerzhinsky B.P.Ushakov presented schematically project flying Underwater Boats (LPL), which was later reworked and presented in several different ways to determine the…