In this episode, Alain Siebert, Chief Technology and Strategy of the SESAR Joint Undertaking (SJU) discusses the ATM Master Plan 2025 with Marita Lintener. Alain is sharing his surprises during the campaign journey and what is actually new in 2025. Together they have deep dives into the key elements of this edition which include the implications of the security context in Europe, environmental redesign of ATM and flight procedures, and why this is the most deployment oriented version ever.  Listen to the success factors for implementation, the required economic and technological regulations, what are the interdependencies with RP5, the role of the human and future of staffing and how the Master Plan is linked with the developments in the traffic growth regions of the world.