With the growth of the effects caused by natural phenomena, more and more states are called upon to apply their available resources to alleviate human suffering. The increased use of the Armed Forces (AF) in support of civil defense in disaster response operations accompanying the need to increase research in humanitarian logistics in the military. Aware that the lessons learned during the response can be directly applied to future projects and efforts to reduce the impact of disasters, this study aims, from the perspective of process modeling, presenting and analyzing the use of the Brazilian Navy (BRN) in disaster response operations. To fulfill this objective, it is done the mapping of actions taken by the BRN, based on legislation in force and in the case of support to disaster victims in the mountainous region of operation in Rio de Janeiro in 2011, specifically in the city of Nova Friburgo. In comparing these analyzes with the academic literature, which are identified 96 (ninety-six) cases, it is found that 46 (forty-six) are not included in legislation and 10 (ten) of these are performed in the actual operation, even do not appear in internal publications. Through these results, we seek to support research on the topic in the academic world, and contribute to development of a specific military doctrine on the subject in order to increase the exchange between all stakeholders and achieve greater effectiveness in supporting MB in humanitarian operations.