RESUMEN
Generally it seems that "stress" might be considered as "absence of internal tranquility" which contains positive and/or negative aspects. Occupational stress is defined as "any harmful physical or mental response, occurs due to individual incompatibility with his/her ability" which might lead to aggressive behaviors, occupational injuries, physical diseases and even death. Some factors such as work environment and economic problems have been suggested in the literature as the related risk factors for occupational stress. Occupational stress has not been evaluated properly among Iranian military personnel. However, attention to some factors such as work environment and stress-coping strategies might be useful to reduce occupational stress among this population