Nevertheless, in times of emergency, the Army has been called upon to maintain order, most notably in Rio de Janeiro. There are provost corps for each of the Brazilian Armed Forces: Army Police ()  for the Army, Navy Police () for the Navy, and Air Force Police () for the Air Force.
Despite this, during emergencies, the Army has been asked to maintain order, particularly in Rio de Janeiro. Each branch of the Brazilian Armed Forces has its own military police unit: Army Police () for the Army, Navy Police () for the Navy, and Air Force Police () for the Air Force.