Why not built a cargo submarine to the Arctic Soviet engineers developed projects of submarines for the transport of liquid and bulk cargoes under the ice of the Northern sea route in 1940-60-ies. Soviet scientists in the 1950s and 60s years planned to build a cargo submarine to the Northern sea route. The documents attesting to this, historians have found in the Central state archive of scientific-technical documentation, St. Petersburg (SPb TSGANTD). What was supposed to be a submarine and why the project was terminated, told the researcher of Arctic Museum and exhibition center Mikhail Savinov. Underwater ice swimming “A cargo submarine was intended for the carriage of liquid bulk cargoes under the ice along the Northern sea route. In the archive we found the sketch and correspondence, revealing the purpose of the project and the reasons why it was not implemented. The dates and content of the documents it
