Learning is taken as a competitive advantage of organizations to win over their rivals, and learner organization is the one which takes the advantages of continuous learning of all its staff members in order to create, share and apply knowledge so that it can suitably react to the environmental changes. Authorities characterize a learner organization as follows: personal capacities intellectual models, joint perspective, team-based learning, a disciplined thinking, leadership, organization culture and knowledge structure and management each of which is measurable based on a set of criteria Generally this study aims at proposing an appropriate model for the establishment of learner organization in the Army of the I.R. of Iran. As an applied and case study, it first offers the nine-fold criteria of identifying learner organization along with the scales of each criterion. Then, the professors offering courses in the Army universities were questioned as to verifying the criteria. Subsequently the Army units were evaluated based on these validated criteria. The findings sustain that the Army can be considered as a learning organization and the affiliated units are characterized by the highest percentage of learner organization in terms of the following criteria: leadership, disciplined thinking, organizational culture, personal capacity, intellectual model, team-based learning, Joint perspective, and knowledge structure and management.