Propoxyphene (one of the active ingredients in Darvocet) is classified as a mild, centrally-acting, narcotic pain reliever. Centrally-acting means that it works in the central nervous system (the brain and spinal cord). Propoxyphene is chemically related to methadone.
Definition of provost marshal. : an officer who supervises the military police of a command.
Provost (military police) Provosts (usually pronounced Provo in this context) are military police whose duties are policing solely within the Armed Forces, as opposed to Gendarmerie duties in the civilian population. However, many countries use their gendarmerie for provost duties.