Purpose      The purpose of this manual is to provide general principles and guidelines for disaster risk reduction and management operations throughout the whole spectrum of DRRM. It also aims to provide guidelines in dealing with disasters both man-made and natural. All principles and guidelines prescribed in this manual are in consonance with the Philippine Army Operations Manual and the existing National Policies, Laws and Regulations, and other related manuals concerning disaster management. Scope      This manual outlines the general principles and guidelines for the commanders and staff in the conduct of disaster risk reduction and management operations. Nevertheless, application of various principles, policies and programs varies from one situation to another as every situation has its unique characteristics.      This publication is divided into seven chapters, each with distinct but related subject and focus including the general environment in disaster risk reduction and management, various disaster risk reduction and management models, army capabilities, operational concepts, logistics, support operations, and training.