World War II casualties of the Soviet Union World War II casualties of the Soviet Union World War II fatalities of the Soviet Union from all related causes number was approximately 27,000,000, both civilian and military, although the exact figures are disputed. The number 20 million was considered official during the Soviet era. The Russian government puts the Soviet war dead at 26.6 million based on a 1993 study by the Russian Academy of Sciences. this includes 8,668,400 military deaths as calculated by the Russian Ministry of Defense. The figures published by Russian Ministry of Defense have been accepted by most historians outside Russia (see table below "Western
Scuba diving fatalities failed buddy breathing conducted by NUADC, more than half were attempted at depths greater than 20 metres. In 29% the victim's mask was displaced, and a lung over-pressure injury occurred in 12.5% of cases. One in 8 victims refused to return the demand valve, however, donating a regulator rarely results in the donor becoming the victim. The use of a secondary (octopus regulator) second stage or a completely separate emergency air supply (bailout cylinder)would appear to be a safer alternative. A survey of DAN America members during 2000 to 2006 indicated a low incidence of cardiac-related fatalities in divers less