General Objective: To describe the incidence of blunt trauma/injury accidents and injuries caused by unconventional weapons in military personnel of the Colombian National Army in a period from 2017-2021. Specific Objectives: 1. To characterize mortality per year of injuries due to accidents and/or unconventional weapons in the military personnel 2. To describe per year the number of cases attended at the Central Military Hospital of Nueva Granada. 3. To contextualize about blunt Injury and the experience of military engineers of the Colombian National Army in explosive devices. Methodology: Retrospective systematic review of cases, 704 case histories were reviewed considering clinical and imaging variables for the diagnosis of blunt injury and a descriptive analysis was performed. Results: The incidence of blunt injury in our study was like that reported at the international level. The study yielded a result of 1.65% incidence, a figure within the international range (0.03 to 4.8%) of reported incidence. Conclusion: It is important the multi and interdisciplinary management for this pathology, all hospitals, and national clinics, should be prepared for the diagnostic suspicion and approach of Blunt Injury, it is a clinical condition with low incidence but with high impact on morbidity and mortality.