For immersion, the submarine takes ballast – water – into tanks. For ascent, the ballast is blown: water is forced out of the tanks by compressed air. When the boat is fully submerged, it changes depth with the help of the rudders. Reception or pumping out of ballast after that is carried out only for balance.
10-bit uncompressed footage from Betacam SP tape. It originates in PAL resolution 720 × 576.
Related stock video footage featuring Tomsk-7. Tomsk -7 Premium Video Footage Accident at the Siberian Chemical plant April 6, 1993.25 years ago, an explosion occurred at the Siberian Chemical Combine, which caused the release of plutonium and uranium. What consequences did this lead to and how did it manage to avoid a catastrophe?