Guided by a high-level vision for 2035 which will endeavour to facilitate: “A customer-focused Single European Sky that meets future needs for aviation services and environmental goals. A safe, seamless, scalable and resilient aviation network will be delivered through digital air traffic management services for all airspace users (civil and military) and passengers.", the Group has made a number of recommendations based on four main areas which it is hoped will meet this vision in a flexible and scalable manner, while continuing to ensure the highest levels of safety, security and meeting the growing challenge of environmental concerns. These areas include: