Considering specific climate and geographic peculiarities of North Europe, the authors analyzed 13,018 cases of registered trauma among North Navy Division staffers over 11 years. Traumatism analysis covered levels in separate categories of servicemen, in circumstances and causes before trauma. Age-related analysis was also conducted, and the authors established a structure of insurance cases for trauma, disclosed season-related and social components of traumatism among the servicemen. Thorough analysis covered also sport traumatism and cases of injuries under alcohol intoxication. Special study delt with traumatism due to violated rules of by-law relationshipls between servicemen.