• NATO rethinks aerial surveillance due to low-altitude drone and missile threats.
• The alliance is shifting towards a multi-domain surveillance network.
• The AFSC program aims to replace aging Boeing E-3A AWACS aircraft.
• A subgroup of member states will purchase a replacement fleet of airborne early warning platforms.

NATO's shift towards a multi-domain surveillance network may indicate a recognition of the limitations of traditional AWACS systems in the face of low-altitude threats. The integration of space, airborne, and ground components could provide a more comprehensive and resilient surveillance capability, which suggests a significant investment in the alliance's air defense posture.