## 2 Materials and Methods  
The research plan was divided by the authors into the following parts. In the first part of the research plan, the authors carried out a search and found out the necessity of this article. In the next part, applications were selected, which will be described in the article and applied to the IRS exercises. The TerEx (version 3.1.1), PRACTIS (version 1.0), and Pathfinder (version 2022.2.0803) applications were selected because of their easy user, financial, and local availability. The creation of examples and proposals for their solution, including the use of modern technologies, are described here. Their use is described in the individual stages of planning the exercises where they can be applied (Figure 1). An example of a participant's real-life emergency procedure was selected as a motivational scenario for the study. The trapped explosive system in the premises of the Faculty of Logistics and Crisis Management was selected as a threat. This event was simulated in the TerEx programme. Subsequently, using the PRACTIS programme, a scenario of the whole event was compiled, and the activities of the rescuers were described. Using the Pathfinder programme, evacuation from the premises of the building was realized. Thanks to these procedures, the coherence between the selected programmes and their applicability for planning exercises was proven. To fulfill the objectives of this article, the software applications TerEx, PRACTIS, and Pathfinder were selected for the preparatory phase of the IRS exercises. These programmes were selected for their accessibility and user experience. The programmes were tested on a computer equipped with Intel (r) Core(tm) i7-9700 CPU @ (Santa Clara, CA, USA), 16 GB RAM (Fountain Valley, CA, USA), NVIDIA GeForce GTX 1660 SUPER (Santa Clara, CA, USA). Employees of the Department of Population Protection from Tomas Bata University in Zlin participated in the testing. To illustrate the usability, the same scenario was set in all software applications, namely, a trapped explosive system weighing 5 kg, and in the case of the Pathfinder, an evacuation from the premises of the Faculty of Logistics and Crisis Management was set. The article mainly used methods for determining the possibility of using programmes for the creation and implementation of exercises of the IRS. First, it is necessary to explain the basic issues for understanding the text. For this reason, the explanation was chosen as the first method, which makes it possible to explain the researched area and thus bring the reader closer to the areas that are necessary for understanding the research and the rest of the text in the article. This method is applied in the Introduction section, which describes the basic issues of the researched area. Among the primary methods that were used to determine usability was the method of comparison. This method is used for research approaches, systems, processes, and sub-procedures. In the thesis, the method is specifically used to specify the subject of the  
Figure 1: Flowchart of the proposed methodology. comparison and define the comparison of the properties of the selected software tools. This is detailed in Table 1, where the functionality and the possibility of applying individual software tools in the planning and implementation of exercises are evaluated. The specific application of the method is used in Section 3. The most important method in the article is the modeling method. The modeling method aims to understand the observed situation, imitate the characteristics of the situation, and simulate them within the model. In this comparison, models were created and the outputs of the different software tools were compared based on their simulations. These comparisons were then analysed for the suitability of integration in the exercises of the IRS. The method was used in the first stage of the organization of exercises of the IRS (preparatory stage).