the 51st battalion, far north queensland regiment (51 fnqr) is an australian army regional force surveillance unit. the battalion's primary role is to conduct reconnaissance and surveillance tasks in support of border security operations. its area of operations includes the torres strait (especially australia's border with papua new guinea) and the cape york littoral environment. additional tasks for 51fnqr include the collection and collation of military geographic information as well as community engagement and disaster relief operations.