The United States Air Force (USAF) has entered a significant phase in modernising its Airborne Early Warning and Control (AEW&C) capabilities with the procurement of the Boeing E-7 Wedgetail aircraft, also known as the Boeing 737 AEW&C. This decision marks a transition from the iconic but ageing E-3 Sentry AWACS fleet to significantly more advanced, next-generation technology. The following text summarises key facts about the project and details the planned technological innovations.
Production of the First E-7 Prototype Underway
The USAF announced the E-7 acquisition back in 2022, and production of the first example is now in full swing. In January of this year, the fuselage for the initial aircraft arrived at Boeing’s assembly plant in Renton, Washington. This first unit will be used for rapid technology verification and to commence testing. The initial contract is valued at $2.5 billion and covers the accelerated production and testing of two prototype E-7A Wedgetail aircraft.
Future Technological Innovations: New Radar and Advanced Electronics
Although entry into regular operational service is still several years away, the USAF is already planning extensive upgrades. A key focus is replacing the current distinctive MESA radar with more advanced technology. On April 15, 2025, the Air Force issued a Request for Information (RFI), inviting manufacturers to submit proposals for potential successors to the Northrop Grumman MESA radar system.
- An advanced infrared system for enhanced detection and tracking of air targets.
- Expanded electronic warfare (EW) capabilities and improved communication systems: Upgrades to Electronic Support Measures (ESM) and Electronic Warfare Self-Protection (EWSP) systems, integration of the advanced Tactical Targeting Network Technology (TTNT), Link 16 High Power Amplifiers (HPA), connection to the Joint Worldwide Intelligence Communications System (JWICS) network, and Combat Identification (CID).
- Next-generation data links and command and control systems: Implementation of advanced Tactical Data Links (TDL), Battle Management Command and Control (BMC2) systems, and sophisticated technology for missile targeting data transmission.
- Alternative Positioning, Navigation, and Timing (PNT) technologies as a backup for GPS, alongside other future communication technologies.
MESA – The Key Element of the E-7 Wedgetail
The current Multi-role Electronically Scanned Array (MESA) radar is characterised by its unusual design – the radar antenna housed in an elongated dorsal fairing known as the ‘top hat’. This radar employs Active Electronically Scanned Array (AESA) technology, eliminating the need for mechanical antenna rotation. The system uses multiple antenna arrays to achieve 360° airspace coverage. A potential successor being considered is the new Electronically Scanned Multifunction Reconfigurable Integrated Sensor (EMRIS) system, also from Northrop Grumman. EMRIS integrates radar, electronic warfare, and advanced communications functions into a single unit. EMRIS technology has already successfully undergone flight testing, and smaller variants for lighter platforms are currently under development.
USAF Procurement Plans Envisage a Smaller Fleet
The total of 26 E-7 Wedgetail aircraft planned for USAF procurement represents a notable reduction compared to the current E-3 Sentry fleet. This number reflects the Air Force’s evolving strategy, viewing the E-7 not as a permanent solution, but primarily as a transitional step towards future technologies, including unmanned or space-based early warning platforms.
International Impact of USAF Technologies
Technological advancements and modernisation solutions developed for the US E-7 fleet have the potential to appeal to other international operators of the type – these include Australia, the world’s first Wedgetail operator. Furthermore, America’s military and technological strength provides a guarantee for the platform’s ongoing development, significantly boosting the E-7’s attractiveness to potential future customers.
Entering a New Era of AEW&C with the E-7 Wedgetail
The next generation of airborne surveillance and command aircraft, embodied by the Boeing E-7 Wedgetail, represents a fundamental leap forward for the USAF. It combines modern technologies, planned extensive innovations, and global influence on other air forces worldwide, thereby significantly reshaping the contemporary concept of air command and control.
Sources: The Aviationist, Northrop Grumman Official Website – EMRIS Sensor
