The Estonian Land Forces is the main arm of the defence forces. The average size of the military formation in peacetime is about 5,500 of whom about 2,700 are conscripts. The Army component of the operational structure consists of an infantry brigade and 4 Regional Commands. Infantry brigade acts as a training and support frame for deployable units. The Land Force development priorities are the capability to participate in missions outside the national territory and the capability to perform operations to protect the territory of Estonia, also in co-operation with the Allies.