This manual intends to guide Special Forces commanders, staffs, mass base operators, trainers, students, and researchers for fundamental knowledge, skills, and attitude in Mass Base Operations. This manual also guides their supported unit commanders on the proper employment of SF Mass Base Operations Team. It provides salient processes, operational model, and application of planning process in Mass Base Operations. This manual provides thorough discussion about the fundamental principles, concept, and process. It emphasizes the effective use of intelligence operations, psychological operations, and combat operations as key tools to mass base operations. This manual also applies to the commanders, staffs, mass base operators, trainers, students, and researchers as material reference in planning, executing, and educating. The proponent of this manual is the Special Forces Regiment (Airborne), Philippine Army. However, Doctrine and Capability Integration Center (P), TRADOC, PA is responsible for the review and updating of its publication. Comments or recommendations may be addressed to the Commander, TRADOC, PA, Camp O’Donnell, Capas, Tarlac (Attn: Director, DACIC).