Shift Away from the E-7 Wedgetail Platform
Initial plans involved the purchase of new E-7 Wedgetail aircraft, based on the civilian Boeing 737, to replace the aging E-3 Sentry AWACS fleet. Key European nations, including Belgium, Germany, Luxembourg, the Netherlands, Norway, and Romania, along with the USA, led the project. However, the United States later withdrew from the partnership, leading to a re-evaluation of the alliance’s overall strategy.
Instead of the E-7, the USA is now moving towards technologies based on space-based early warning systems and is considering using the E-2D Hawkeye as an interim solution. Although the Pentagon recommends canceling the E-7 program, the US Congress has so far approved partial funding, increasing uncertainty about the project’s future.
Challenges with the Aging E-3 Sentry Fleet
The E-3 Sentry AWACS aircraft, operated by NATO since the 1980s, remain the mainstay of airborne early warning, but their operation and maintenance are challenging. The noise and complexity of maintaining the Boeing 707-based aircraft, along with the need for highly specialized technicians, are leading to increasing costs and operational problems.
The alliance plans to modernize its existing 14 aircraft at Geilenkirchen Air Base by 2035 with a budget of around $1 billion; however, the aging technology necessitates the search for new, more efficient solutions.
European Alternatives: Saab Erieye and GlobalEye
The main candidates to replace or supplement the E-7 Wedgetail system include European systems such as Saab Erieye and its extended version, GlobalEye. Sweden, which recently joined NATO, brings experience with Erieye, a radar system integrated into smaller aircraft.
France has already chosen an Erieye version integrated on the Bombardier GlobalEye aircraft as a replacement for its E-3F Sentry aircraft. Although Erieye does not achieve the same performance as the MESA radar on the E-7, it offers a significantly lower price and the possibility of operating from smaller airfields, making it an attractive solution for some member states.
Future of Early Warning in NATO
The Alliance Future Surveillance and Control Capability Committee (iAFSC) initiative seeks to combine various technologies—manned aircraft, unmanned systems, and space-based sensors—to create a more flexible and regionally adapted early warning system.
With 2035 approaching, the expected end of operations for the current E-3, the pressure for a quick decision is high. The shift away from the E-7 Wedgetail may mark the beginning of a new era, where NATO will use more fragmented solutions based on European systems and advanced technologies.
Conclusion
The re-evaluation of the E-7 Wedgetail purchase shows how NATO’s military strategy is changing towards greater European autonomy and technological diversification. European radar systems such as Saab Erieye and GlobalEye now have the opportunity to become key elements of the Alliance’s future early warning system. This shift also reflects the growing importance of space-based sensors and unmanned platforms in modern military surveillance.
Source: The Aviationist












