In order to prepare and employ naval power and contribute to national defense, the Brazilian Navy, through its programs and projects, seeks to develop means of implementation of naval war operations and actions suitable for its main tasks - sea denial and control, and power projection. A...

Over the last decade, the defense industry has obtained relevance on Brazilian public policies. Departing from the premise that the success of this process requires not only that the Armed Forces have modern equipment and skilled military to operate them, but also that the country retains the...

Brazil is a country with a maritime vocation, whose development is intrinsically associated with the sea. The Brazilian coast and jurisdictional waters' extension constitute a challenge on themselves to the national defense. The presence of fundamental potentialities for the country, such as...

National Defense requires adequately trained, prepared and equipped armed forces to perform in guaranteeing national interests and protect sovereignty. Regarding the issue of equipping - which is the main focus of the three forces' (Navy, Army, and Air Force) strategic programs - it is not...

This paper studies the spread of the Black Death as a proxy for the ow of medieval trade between 1346 and 1351. The Black Death struck most areas of Europe and the wider Mediterranean. Based on a modified version of the gravity model, we estimate the speed (in kilometers per day) of transmission...