The military institutions are known for their rapid deployment, organization, ethos, skills, communications logistics and coherence, which give them important advantages in disaster relief operations. They also present more advantages as readiness (training, equipment), availability (frequency, numbers, variety, resources), integration (coalition, military-civilian organization, flexibility (duration, reaction, ethos, interchange low intensity for high intensity operations), skills (variety, training, endurance), law (civil /military, international, national), culture (social responsibility, political support, history).