Jocko Willink and Leif Babin served together in SEAL Task Unit Bruiser, the most highly decorated Special Operations unit from the war in Iraq. Through difficult months of sustained combat, Jocko, Leif and their SEAL brothers learned that leadership -- at every level -- is the most important thing on the battlefield. They started Echelon Front to teach these same leadership principles to companies across industries throughout the business world that want to build their own high-performance, winning teams. This book explains the SEAL leadership concepts crucial to accomplishing the most difficult missions in combat and how to apply them to any group, team, or organization. It provides the reader with Jocko and Leif's formula for success: the mindset and guiding principles that enable SEAL combat units to achieve extraordinary results. It demonstrates how to apply these directly to business and life to likewise achieve victory.