With one of the largest territories in the world and a very extensive land border, surveillance and monitoring of this region are especially challenging for the Brazilian state. To overcome this challenge, the Integrated Border Monitoring System (SISFRON), the world's largest system of the kind,...

With one of the largest territories in the world and a very extensive land border, surveillance and monitoring of this region are especially challenging for the Brazilian state. To overcome this challenge, the Integrated Border Monitoring System (SISFRON), the world's largest system of the kind,...