Commandant's Service

Commandant's Service was the name for the military police of most Warsaw Pact armies. It's principal duties were providing garrison security and traffic control. It is not to be confused with a similar organization called Traffic Regulators (Ru:Rugulinovka) operated by the Transport Troops of the Rear Services.

Soviet Union/Russia
The Komendantskaya sluzhba (Ru:комендантской службой) or Komandirovka in the Soviet and Russian militaries were designated by a red shield on one or both arms bearing a yellow letter "K", plain red shoulder boards and a white helmet bearing a red star and broad red circumferential stripe. These helemts were generally painted at the unit level  The komandirovka are being replaced by the newly established Military Police (Ru:Voennaya politsiya or VP). At one time the komandirovka wore a black cloth or leather uniform with white helmets and gloves, and belts and holsters.

East Germany
The East German Army Commandant's Service was called the Kommandantendienst or KD, in addition to traffic control and military police duties it performed courier services. The Kommandantendienst wore a white stripe on their helmet and a white cross strap, belt, holster and gloves.