The current security environment is characterized by an increase in the number of military conflicts and other human-induced problems that threaten the human life and co-existence. These challenges force the armies whose first duty is the establishment of security to focus more on military leadership in order to realize and adopt their duties. The quality of military leadership is critical to the establishment of today's both security and peace environment.This book is written for students of the faculties of economic and administrative sciences political sciences and anyone who feels relevant to national security administration. The book provides a detailed understanding of current security environment and the challenges of military leadership. Unlike other books on national security administration that does not focus on wider areas affecting the perception and execution of military leadership this book will provide readers with a wealth of information about the armys' main structure and the current security environment and the leadership Challenger. The book is based on both theories and practices.