'Army and navy goods' are goods which are manufactured for the use of military. These may consist of materials other than ammunitions for the army and navy people. In Nogales there are many stores from which the goods can be obtained. Army and navy goods like destroyers, uniforms, and other equipments are found in surplus stores. In Nogales, these goods are generally ordered in huge quantities by the military. The store dealers in Nogales get the army and navy goods at low cost due to the bulk amount and thus they can sell the goods at a cheap rate to the customers like policemen, security personnel and the like.