This publication serves a guide on the fundamentals and concepts of Unmanned Aerial Systems (UAS) operations. It is a comprehensive guide on how the Philippine Army UAS will support the reconnaissance, surveillance, and target acquisition requirements of Philippine Army units at all levels of command. It is also the primary reference in the formulation of tactics, techniques, and procedures (TTP), conduct of unit and individual training, and intelligence capability development planning. This publication applies to the following: Commanders, staff officers, and Military Intelligence (MI) personnel Army personnel involved in the conceptualization and development of army doctrine and tactics, techniques, and procedures. Members of groups constituted to review and update army doctrine. Education and training developers, managers, and implementers. The proponent of this manual is the Office of the Assistant Chief of Staff for Intelligence, G2, Philippine Army. However, the Doctrine and Capability Integration Center, Training and Doctrine Command, Philippine Army is responsible in the review and updating of this publication. Send comments and recommendations to the Commander, Training and Doctrine Command, Philippine Army, Camp O’Donnell, Sta. Lucia, Capas, Tarlac, (Attn: Director, DACIC) or via email at dcannex45@gmail.com and through its website at doctrinecenterpa.com. Feedbacks to this publication are also welcome telephonically via the Bonifacio Telephone Exchange trunk line number 845-9555 or military local line number 7650 extension 4971.