Operational Servicemen Day n Ukraine
Operational Servicemen Day n Ukraine is held on December 23. Day of all level operational control structures servicemen. This event in the third decade of the month December is annual. 
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Military accounting specialty, abbreviated as MAS, is the military specialty of a serviceman or person liable for military service for his/her accounting and use in military affairs, an indication of the military and accounting specialty of a person in the reserve or retired, a serviceman of the Armed Forces and other troops, special forces (special services) and formations.
In Ukraine, the list of positions to be filled by senior officers is approved by the President of Ukraine, and the list of positions for other military personnel is approved by the Ministry of Defense of Ukraine.
Military accounting specialties are defined separately for officers and separately for privates, sergeants and non-commissioned officers.
Armed Forces Day in Vietnam on December 22
Victory 1956 Day in Egypt on December 23
Victory of Armed Forces Day in Cuba on January 2
Cavalry and Armor Day in Thailand on January 4
Pathet Lao Day in Laos on January 6
Armed Forces Day in Iraq on January 6
Margaret Thatcher Day on Falkland Islands on January 10