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This paper presents a model of communication and information system in military operations. Here OPNET MODELER simulation package is applied because it is suitable for network modelling, topology and capacity planning. Simulation of different types of IP traffic and monitor their performance to optimise the functionality of network elements, management performance network applications, and as well as in research and development of new network technologies. Application of the method of mass service are determined by the capacity needed for voice transmission on the links in the model and using the OPNET MODELER simulation program are analysed performance modeled communication information system in data transmission. The results of the simulation are presented through target the service settings: workload links communication and information system, e-mail download response time, http page download response time and packet loss in data transfer. The aim of the research has shown that modeled communication information system with defined elements (nodes), the capacity of links (according to the specification of telecommunication devices) and defined traffic can respond to the requirements of command forces in the military operation in terms of telecommunication service. The results of the analysed service target parameters show that modeled communication and information system provides an efficient flow of information and the tra nsfer of voice and IP data for the needs of command and control in military operations.

At the global within policy, government, science and practice have noticed difficulties that cause climate change which reflect the entire population of the planet earth. Security challenges that manifest themselves at the global, regional and national levels, indicate the need strategies-doctrinal and systematic approach to solving the preservation of society and environmental security. The issue of environmental security is not only the global and the national government. This is an issue of great importance to the interests of civil society, which, as it is currently excluded from their own responsibility in the work of environmental security. This paper examines the obligation to take measures to give effect to the adopted strategies, policies, laws, conventions, declarations, resolutions, agreements and other norms that regulate the area of environmental security. The goal of these standards is to be based on scientific knowledge, experiential norms and estimated conditions make timely assessments and plans with defined scope risks and threats, as well as understanding the consequences levels and response to them. Ditto, the paper analyzes the power of man and its impact on the process of globalization and disorders that are incurred by climate change.

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odbrane u Beogradu Zoran Mačak Ministarstvo odbrane Republike Srbije, Uprava za strategijsko planiranje radu su data osnovna pojmovna određenja operacija Vojske Srbije i njihova klasifikacija, sa specifičnostima koje su od uticaja na njihovo finansijsko obezbeđenje. Predstavljeno je finansijsko obezbeđenje Vojske Srbije prema važećim normativnim i doktrinarnim dokumentima u uslovima redovnog funkcionisanja Ministarstva odbrane i Vojske Srbije. Ključni deo rada predstavlja koncept finansijskog obezbeđenja operacija Vojske Srbije, koji podrazumeva uspostavljanje svih sadržaja obezbeđenja na nivou operativne komande odgovorne za planiranje i izvođenje konkretne operacije. Istaknute su specifičnosti finansijskog obezbeđenja operacija iz kojih proističe neophodnost elastičnosti u postupanju čitave društvene zajednice i budžetskog sistema Republike Srbije za stvaranje pretpostavki za realizovanje operacija.