In the case of Brazil this is a complex mission, since the country has a territory of about 8,5 million km² (3.28 million sq. miles), a coast of more than with many oceanic islands, and a navigable waterways network of approximately . This last one includes the Brazilian Amazon. To cover climates and natural landscapes so diversified as Pampas of Rio Grande do Sul, pantanal of Mato Grosso do Sul, deserts of the Northeast region and Amazon rainforest, demands a training of the highest standards, agility and versatility. Therefore, there are units trained in demolition techniques, special operations, combat in forests, mountain and ice, and helicopter-transported operations.