the Northern Military Command is one eight Military Commands the Brazilian Army thee Northern Military Command or comando Militar do Norte cmnis responsible for the defenceBrazil's Northern border the CMN is the youngest Brazil's military commands as it was activated on 13 March 2013 two Infantry Brigades specializing in Jungle warfare and one Military Regional command are subordinated to the CMN Its area responsibility covers the states Maranhão Pará and Amapá and the northernmost area the state Tocantins. Wikipedia