From the beginning, through its educational philosophy, SENA has expressed in its institutional policy, that the formation of ethics be present in all of its curriculum structures. Because of this, it is necessary in the past as in the present to ask, why is it important to impart it and receive it? Well, ethics has many profound implications that affect the teaching-learning process because it involves the purpose and effects of the apprentice, the instructor, and the trainer entity regarding the impact of its graduates. The following article searches from the philosophy traditions to the modern tendencies to comment on which can be the epistemological foundations to bring an ethics course to the classrooms of SENA.