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The article focuses on the characteristics of forcible entries into objects and the term "breaching", which is often used interchangeably with this activity. The article further addresses the issue of fragments scattering when using a charge to overcome chain-link fences. The introductory chapter describes the execution of training in this field using the exercise facilities that are built for this purpose in military training areas. When conducting explosive forcible entry training, the safe distance for intervening teams and non-participants is determined using given formulas. The purpose of the simulation, mathematical calculations and experiment was to assess the extent to which fragments scattering occurs during explosive overcoming of these fences and whether the procedures used to determine the safe distance for non-participants are sufficient.

The article describes the issue of implementing the Resistance Operating Concept as part of a comprehensive approach to ensuring the defense of the state and its resilience. The basic conditions necessary for the introduction of that instrument are sought, and a comparative analysis of selected European countries that started to build a resistance movement is carried out. The article further describes the strategic definition of the resistance movement in the conditions of the Czech Republic, the legislative definition of the resistance movement and its anchoring in the framework of mental law, and the connection of the resistance movement to individual phases of the conflict. It analyzes the relationship of the resistance movement to individual phases of the conflict and categorizes the actors of the resistance movement, their roles and the methods used. In conclusion, it defines the necessary conditions for the implementation of the resistance movement into the security and defense system of the state.

This study presents the perspective of Czechoslovak diplomacy on the events of the Yom Kippur War (1973) in the context Czechoslovak foreign policy towards the Arab-Israeli conflict in early 1970s. The research is based on so far rather underexplored archival sources. Despite Czechoslovakia's declared unequivocal support for the Arab side of the conflict, Czechoslovak Middle Eastern policy since the mid-1950s was not entirely unconditional in relation to the Arab countries. Internal documents of Czechoslovak government occasionally revealed criticisms of Arab representatives. The Yom Kippur War represented a significant moment in this regard, as it was a military confrontation initiated not by Israel but by the Arab coalition, posing a challenge for Czechoslovak propaganda. Simultaneously, this armed conflict presented an opportunity for Communist Czechoslovakia to further deepen its relations with its Arab allies.

The Russia has presented the ongoing war in Ukraine by the term special military operation, whose goals were declared by Russian President Putin in terms of demilitarization and denazification of Ukraine. In the wider context, there is an imperial effort of Russia to enforce its power and influence in the region by an offensive and aggressive war. The authors define the fundamental difference between a special operation and the so-called special military operation in the context of contemporary interpretation of the Kremlin. They further argue the way in which Russia is trying to justify the war and discuss its reality in terms of international law.

The article follows the author's comparative analysis of American and Russian nuclear doctrines and armaments from the fall of 2021. It presents the current nuclear strategy of the United States of America based on a content analysis of three specific areas of the updated version of the Nuclear Posture Review. Applying interpretive analysis and a rich secondary sources apparatus, the author also reflects on his 2021-formulated assumptions and expectations about the further development of American nuclear strategy under President Joe Biden. The author analyzes the influence of the presidential administration's ideological and political ambitions together with the decisive geopolitical events of 2022 and concludes that mainly due to the second factor, the current shape of American nuclear strategy has not undergone any revolutionary changes and continues to maintain a long-standing continuity and consensus about its basic principles.

The Bucha massacre raises the question of whether the Russian army predisposes its soldiers to unlawful violence against civilians. This article assumes that regardless of superior orders, perpetrators of violence must overcome the psychological barriers developed during socialisation. The psychological mechanism of "moral disengagement" allows soldiers to kill in combat and act violently on civilians. The duty of the armed forces is not only to prepare soldiers to fight and kill but also to prevent illegal violence. The case of the Russian army demonstrates how formal activities to prevent moral disengagement and violations of the International Humanitarian Law (IHL) face insurmountable obstacles in the form of institutional culture and insufficient human capital.

The article deals with the consequences of changes in society and the army after the "Velvet Revolution" in 1989 for teaching social sciences at military schools. The changes are illustrated by the example of the Military University of the Ground Forces in Vyškov, which trained most of the officers for the ground troops. The first part of the article shows the use of social science teaching at military schools to ideologically indoctrinate students in favour of the ruling Communist Party of Czechoslovakia before November 1989. The next part of the article deals with the reflection of changes in society and in the army after the abolition of the article on the leading role of the Communist Party of Czechoslovakia in the Constitution in the system of teaching social sciences, in their content and scope. The content of the article also shows individual milestones in the process of changes in the teaching of social sciences on the way from their use for communist indoctrination to the formation of democratic army officers.

The article addresses the issue of the emergence of new technologies and their impact on the capabilities of the Czech Armed Forces (CAF). A summary of the recommendations is presented. In particular, there is a need for a conceptual approach to the integration of new systems in order to avoid spontaneous purchasing, which could be very logistically demanding. The very rapid development in the field of unmanned autonomous systems using elements of artificial intelligence offers opportunities to use them in support of the tasks of CAF. Due to the breadth of this issue, the scope is limited to the area of the Special Forces, which introduce these new sophisticated means into use throughout the Ministry of Defence of the Czech Republic.

The article deals with the issue of the cognitive pyramid and the possible use of intelligence analysis in the context of gaining the understanding and wisdom of users of information using this pyramid. The cognitive pyramid is used to define the terms date, information, knowledge, understanding and wisdom that make up the various levels of the pyramid. The paper attempts to discuss concepts in different models of the pyramid. It briefly describes intelligence in the context of the use of intelligence by means of a cognitive pyramid. Intelligence is a special kind of knowledge. This article also seeks to explore how intelligence creation can be explained using a cognitive analytical pyramid model.

The article deals with the some legal aspects of Western military aid to Ukraine. The first part briefly analyzes the Russian Federation's attack on Ukraine from a "just war" perspective. The following part is devoted to individual perspectives of different branches of international law on military aid to Ukraine - the law of neutrality, ius ad bellum, ius in bello, issues of co-belligerency and state responsibility for complicity in internationally illegal actions. The conclusion summarizes the findings and gives an answer to the question why Western aid to Ukraine mostly does not violate the norms of international law.

The article describes the basic foundations and significance of the manipulative technique called Deepfake, which in the environment of technological and informational expansion is also becoming a widely used tool for spreading propaganda. This advanced manipulation complements a wider spectrum of forms of disinformation and is increasingly being used as a means of conducting information operations, often as part of wider hybrid warfare. Effectively combating this kind of manipulation places high demands on consumers of information, both on the part of the detection tools used and on the part of the cognitive human approach based on critical thinking. The expansion and sophistication of similar manipulative techniques will continue, in connection with the development of modern technologies and the interconnectedness of the information environment. Although the Deepfake technique is not only associated with security-military aspects, its influence on information operations and hybrid warfare cannot be neglected.

The article deals with the preparation of the Active Reserve of Czech Armed Forces, territorial forces in detail. It compares them to the equivalent of the active reserves of the Polish army, namely the Territorial Defense troops. A comparison of the development and preparation of these forces points to the necessity of solving or updating the system of calling up reserves of the Czech Armed Forces, their training, arming and equipping.

Voices about the need to build a joint European Union army have been appearing on the European scene for several years, but recently these voices have become stronger, especially after the Russian invasion of Ukraine. Therefore, in the article, the authors deal with the issue of the possibility of creating a common European army. They draw on from socio-scientific political science approaches to current security frameworks, examine the current state, and at the same time point out that, despite the threats Europe is facing, there is still no clear plan for how such an army should be created. Considering the facts mentioned in the article, the authors state that the creation of a common European army, at least for now, seems unlikely, as a supranational model of the European army would require the transfer of sensitive national competences from the member states to the EU level.

Laser weapons have long been the subject of debate. The article discusses the potential adoption of laser weapons by infantry units and the future of small firearms. The text analyses these weapons in selected categories that subsequently support the evaluations and the conclusion. If miniaturisation is successfully managed, the comparison reveals an interesting paradox. While laser weapons and firearms do not rival each other as distinct functionalities, given the right conditions, they can actually complement each other and compensate for any disadvantages within their respective categories. Today's complex battlefield is placing ever greater demands on small arms, pushing conventional weapon mechanisms - combined with ammunition that guarantees accuracy and lower recoil, albeit at the expense of penetration - towards the limits of further possible advancement in technology. Improved passive individual protection restricts the wounding potential of pistol ammunition, reducing it to below 150 m for rifle cartridges, while guided ammunition tends to be prohibitively expensive. Under the right conditions, laser weapons could compensate for any of these drawbacks.

The article aims to identify the dependence of military expenditures and selected economic determinants on the example of the V4 countries in the years 1999-2020. The following are selected as economic determinants: the size of the gross domestic product, the rate of inflation, the debt and deficit of the government sector and unemployment. Correlation analysis proved the expected relationship between the gross domestic product and the military expenditure of Hungary and especially Poland. The relationship between military spending and unemployment was confirmed for Poland, Hungary and Slovakia, the expected relationship between military spending and government debt for the Czech Republic. The linear regression model confirmed the positive effect of the gross domestic product on military expenditure in the case of Poland, the effect of the increase in military expenditure due to rising inflation in Hungary and the negative effect of increasing state indebtedness in the case of the Czech Republic. At the same time, the results did not confirm the uniformity of the factors affecting the size of the military factors in the analyzed V4 countries.

The article is focused on assessment of the model of competency to lead others for graduates of the Faculty of Military Leadership of the University of Defence. This competency to handle the initial demands of a command post, to which graduates of the Faculty of Military Leadership may be enrolled immediately after their studies. The main aim of the research was to define, structure and evaluate the model of competency to lead others for the graduates of the Faculty of Military Leadership based on the experiences of the commanders which serves in the Army of the Czech Republic. Questionnaire survey of own construction for two groups of respondents (young commanders and their closest superiors) was used to obtain the data. Those data were evaluated by parametric and nonparametric statistical analysis. The results of the analysis showed that abilities defined in the model of competency are used in daily military life by addressed commanders.

This paper deals with the phenomenon of Jihadist foreign terrorist fighters from the perspective of East Central European countries. Over the past decade, the term 'foreign terrorist fighter' has become established in scholarly literature, international law and the popular consciousness. Today, Jihadist foreign terrorist fighters are closely watched globally for the security threat they pose. Although the greatest danger in Europe is seen to be to nations in the west, several cases in East Central Europe - involving terrorists travelling through the region and attempting to radicalise local jihadists - have led Poland, Hungary, Slovakia and the Czech Republic to adopt important legislation to eliminate this threat.

Research into the use of structured analytical techniques has shown that analysts use specific structured techniques to achieve better analysis results than using traditional intuitive approaches. The experiment was based on solving the analytical tasks of two intelligence scenarios in a set of 32 people. To verify the null hypothesis, a chi-square test of independence was performed at a 5% significance level. In the control/intuitive and experimental/structured technique groups, responses were evaluated in four criteria, in an overall qualitative intelligence analysis, in rank corps, depending on the time of service and education. The number of correct answers was the highest in the experimental group when dealing with the intelligence analysis criteria for both scenarios. Improved analysis of the experimental group in the second scenario solution was statistically significant. The null hypothesis, using structured methodology improves qualitative intelligence analysis, is not rejected. In the experiment, other test criteria are below than the critical value. The results of the research have shown that the success of the problem solution is influenced by the correct use of the Hypothesis Testing technique. The use of structured techniques depends on the level of knowledge and the type of intelligence problem. At the same time, the conduct of research has shown the influence of analysts' cognitive biases.

The aim of this article is to define leadership as a process required in the Czech Armed Forces. To this end, the nature of military leadership is first identified by analyzing similarities and differences of the widely accepted theoretical concepts (schools) of leadership, including approaches used in selected alliance armed forces. Based on the current state of affairs analysis, the components of leadership and the relationship among them are identified, as well as general conditions for their application. In accordance with the knowledge gained, a general leadership model of the Army of the Czech Republic is proposed.

The article deals with the basic characteristics and tactical-technical requirements for the tactical unmanned aerial system (TUAS), which is planned to be implemented in the Czech Armed Forces in the upcoming years. Based on the results of the comparison of the Czech Armed Forces requirements with the parameters corresponding to the TUAS, the Hermes 900 and Heron systems of Israeli production appear to be the most suitable variants. Both aircrafts can represent a comprehensive solution in this area. They both have a long tradition of production, research and development and of course, they both meet the requirements for TUAS within NATO and the European traffic operations accreditation. However, the decisive selection parameter, apart from security risks and compatibility, is also the purchase price. The main goal of the article is to bring a view of the issue from a broader context and to find a possible way-out together with an evaluation of the advantages and disadvantages of each of the proposed variants.

The article is a creative elaboration and proposal for optimization of selected activities of the human resources management process in the Ministry of Defense, which have a fundamental influence on achieving the set goals of personnel policy of the Ministry of Defense. The article builds on the analysis of the "status quo" of the human resource management in the Ministry of Defense, carried out with the help of dimensional and stakeholder analysis, sector analysis PESTLE-M, and questionnaire survey with a sample of officers (students of career courses KVD and KGŠ). It also uses the results of capability-based scenario, on which a prediction of the future needs of personnel and financial resources is calculated and demonstrated. For selected activities of the human resources management process their possible content is discussed, as well as the effects (or the necessity to set them accordingly) of internal and external process controllers.

This article focuses on the identification of key factors of material resources in the field of equipment, armaments and military vehicles within the Czech state needed for effective mobilization. The primary goal is to answer the question of whether the Army of the Czech Republic still has adequate supplies of these key resources and whether it has the ability to increase these resources in crisis situations without significant dependence on foreign imports. The above analysis revealed mostly sufficient stocks, but at the same time significant limitations were identified in some categories, especially in their technical and moral quality (obsolescence, respectively), especially in most types of military vehicles. The issue of dependence on foreign imports concerning raw materials then changes considerably, from the minimum (combat dress) to the almost maximum (ballistic helmet) level.

The concept of strategic communications rose to prominence especially with the events linked to the Crimea annexation and Russian intervention in Eastern Ukraine. As such it has been mostly related to the reactive fight against disinformation and propaganda or other elements of the hybrid campaign. This paper aims to point to the much broader potential for the tool of strategic communications in support of goals in the realm of national security and defence, while it is understood as proactive efforts and specific mindset using the information effect to advance national interests. Based on the literature review, benefits of strategic communications beyond hybrid campaigns are identified also in the fields of foreign military operations, counterinsurgency, counter-terrorism, deterrence and crisis management. It describes the informational, particularly, the cognitive, dimensions of these security threats as well as of the measures to counter them.

The article deals with the interpretation of the term "armed forces" in the context of the current legal system of the Czech Republic. The authors propose to distinguish between the armed forces in the institutional concept and in the functional concept. The essence of the solution is the interpretation of Section 3(1) of the Armed Forces Act (No. 219/1999 Coll.) in the functional concept, i.e. in such a way that the armed forces are understood to include soldiers assigned to the Ministry of Defence, military schools, the Military Police and the Military Intelligence. Another solution could be to add a paragraph to the Armed Forces Act stating that "The provisions on members of the armed forces shall apply mutatis mutandis to soldiers on active service assigned to the Ministry of Defence, military schools, the Military Police and the Military Intelligence." The aim of the article is initiation professional discussions about the issue in question, as well as indications of directions as to how it would be appropriate to solve the matter.

This paper deals with teaching of operations research at University of Defence and its support by means of using selected software for linear programming. The main aim of the paper is to demonstrate possibilities of using the add-in program Solver in Microsoft Excel and Linear Program Solver in teaching operations research via solving an illustrative example of linear programming problem. The paper further introduces operations research as a scientific discipline and a course taught at University of Defence. Last but not least, it discusses advantages and drawbacks of introducing software into teaching of operations research.

The article contributes to a more efficient use of the theoretical, technological and application base, especially to the improvement of decision-making processes at the strategic level. It offers a methodological framework for solving the armed forces capability optimization problem by implementing modeling, simulation and operations research tools and theories.

The article describes an innovative view of a possible methodical process of access and protection against disinformation. The ever-increasing digitization and use of cyberspace to disseminate all kinds of data and information provides users with an indisputable number of associated benefits associated with rapid access, distribution or sharing of current knowledge. However, this development trend also reciprocally generates a number of related threats that need to be faced. Our own resilience and effective tools against information campaigns and information actions of all relevant actors play the key role here. The critical thinking itself and the process mechanisms used to access information are the focus of overall resilience to this type of security threats. Thus, the methodical process can help a wide range of readers broaden their view of the complexity of the problem and partially minimize the associated security risks.

Chemical, Biological, Radiological and Nuclear (CBRN) weapons still represent a relevant threat despite international treaties and regulations. International projects like the Permanent Structured Cooperation (PESCO) of European Union (EU) appears as a suitable way of the further development when considered both complexity and expensiveness of the countermeasures to the CBRN. In this work, basic principles of PESCO, limitations, opportunities and expected directions of innovations were searched. The final recommendations on PESCO projects in the CBRN field are founded on the reached findings. Recommendations and conclusions on limited PESCO efficacy on one side and opportunity to resolve weakness of the Army of the Czech Republic (AČR) in the CBRN by collaboration in the EU on the other were particularly described in this paper. Without the collaboration, the AČR will hardly reflect the progress on CBRN defense.