This lecture covers the concept of Lifecycle Management, which involves the active engagement of all stakeholders with a system from its inception to decommissioning to maximize its value. It includes daily operations, maintenance, upgrades, data sharing, and system federation. The lecture discusses the ISO 15288 standard, the Space Shuttle Lifecycle as a case study, and the importance of 'Illities' in system design. It also explores the challenges faced by the Iridium Satellite System and the Starlink Constellation. The presentation delves into the relationships among different 'Illities', human experiments with hierarchy, and the role of stakeholders in system value networks. Additionally, it touches on traditional systems engineering approaches, system complexity, and the application of systems engineering concepts to real-world cases.