Abstarct: At the beginning of the third millennium, the world of sport is experiencing a new era. Today's sport has become a global festival. Therefore, sport is one of the most important human activities which in the modern era, due to its wide spread and becoming, is becoming a social institution and doing it is one of the necessities of life. Recognizing the factors that influence participation in physical activity and sport is one of the most important issues at the community and sport level.The purpose of this study was to identify and analyze the factors affecting the athletic commitment of Athletes affiliated with the armed forces. The research method was applied and the statistical population of the study consisted of athletes affiliated with the Armed Forces across the country, of whom 290 were selected as the sample. For data collection, in the beginning, qualitative method and interview with elites were used, then the quantitative method containing demographic questionnaire and sport commitment questionnaire (researcher-made) with 33 questions is used. The questionnaire Comprising six dimensions including facilities, incentives, rules and regulations, financial, personal factors, and enjoyment and satisfaction. Face and content validity of the questionnaires were approved by experts. In a pilot study, using Cronbach's alpha correlation coefficient, sport commitment questionnair was calculated 0/751 respectively. Descxriptive and inferential statistics were used to evaluate the data. To analyze the data, structural equations modeling and Friedman Test. The results showed that the research model had a good fit and there was a positive and significant relationship between facilities and incentives, incentives, rules and regulations, finances, personal factors and enjoyment and satisfaction with sport commitment. Finally, It is recommended that the physical education managers of the armed forces take advantage of all the facilities at the national level to increase the athletic commitment of their athlete.