The main purpose of this study was to investigate an Assessment of Military Education and Training Development in the Ministry of National Defense/Education and Training Main Department at Combined Army Academy. To this end, basic objectives and guiding questions were developed to address the issues related to the practice of military education and training development, evaluation mechanism and its challenges on teaching and learning process. In order to meet the objectives of the study, a descriptive survey design method was employed. The research methods used in the study were both quantitative and qualitative (mixed) approach. Forty five (45) teachers and 28 students were selected using availability sampling technique for this study. Three department heads and three commands of the academy were also selected using Purposive sampling technique. Questionnaires,(close and open ended), interview and document analysis were used for collecting data. Frequency, percentages, mean and standard deviation distributive statistics were used to analysis the quantitative data. The data obtained through open-ended questions of the questionnaires and the interviews were qualitatively analyzed to supplement the quantitative data. Document viewed was conducted to supplement the data obtained through questionnaires and the interview. Findings indicated that the majority of the respondents were acknowledging the practice of education and training development practices conducted by CAA. Furthermore; delivering education and training development program by developing and revising its curriculum and conducting continuous need assessment were also recognized as special good achievement of the academy. However, there were challenges and limitations such as lack of clear written educational and training policy document, lack of clear long term plan about education and training development, lack of cooperation between College to College and between the Academic and its stakeholders were identified as the major challenges of the education and training programs. The study concluded that the institution has encouraging education and training development practice to enhance its human resources qualification. Generally, the study suggested that education and training development programs have to be strategic and systematic in order to achieve the desired objectives. Key words: Education, Training and Development