US Air Force F-16 Fighters to Receive Integrated Viper Electronic Warfare Suite (IVEWS)
US Air Force F-16 Fighters to Receive Integrated Viper Electronic Warfare Suite (IVEWS)

US Air Force F-16 Fighters to Receive Integrated Viper Electronic Warfare Suite (IVEWS)

The U.S. Air Force took another step in the effort to modernize the electronic warfare (EW) capabilities of the F-16 fleet. On March 10, in advance of a multi-million dollar contract modification award expected later this year, the Fighters and Advanced Aircraft Directorate issued an Unpriced Change Order (UCO) modification to Northrop Grumman for the F-16 Integrated Viper Electronic Warfare Suite (IVEWS). The UCO follows a $40 million Other Transaction Agreement (OTA) modification award the company received in June 2021 to develop an IVEWS environmentally and safety of flight certified prototype.

Over the next 18 months, Northrop Grumman will complete IVEWS – also referred to as AN/ALQ-257 – development and install the system on several F-16s for flight testing. Additional development, integration, hardware qualification testing, and Engineering and Manufacturing Development (EMD) asset procurement will support the IVEWS Developmental Test/Operational Test (DT/OT) and Operational Assessment (OA) in early 2023.
IVEWS provides the next generation EW system that is internal to the F-16 and interoperable with the onboard APG-83 Active Electronically Scanned Array (AESA) radar. It is designed to Open Missions Systems requirements and provisioned for long-term growth capability to support future upgrades such as the Fiber Optic Tow Decoy, Adaptive/Cognitive Processing, and Open System Architecture compliance.

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Fully digital and founded on secure, modular, open systems design principles, Northrop Grumman’s ultra-wideband digital receiver/exciter at its core provides significant advantages over heritage systems.
Fully digital and founded on secure, modular, open systems design principles, Northrop Grumman’s ultra-wideband digital receiver/exciter at its core provides significant advantages over heritage systems.

“This contract and overall program effort are vital to increase the protection of our F-16 operators as they execute their missions in contested environments,” said Maj. Charles Prichard, Chief of Electronic Warfare Integration within the directorate’s F-16 System Program Office. “For the F-16 Viper to meet assigned mission sets in line with the CSAF’s Fighter Roadmap and operate in certain environments, the fleet needs advanced electronic warfare (EW) system. IVEWS lines up with HAF/ACC’s EW plan and recently became the solution that improves the F-16’s survivability and lethality against current and emerging threats.”

A key part of the effort has been the use of the Middle Tier of Acquisition (MTA) approach which leveraged competition between defense companies to realize significant cost and schedule savings without sacrificing capability. This allowed the Air Force to strategically select IVEWS as the advanced fleet EW solution for the F-16. MTA is a pathway that cuts out all of the red tapes, and allows you to go faster and cheaper without sacrificing capability. The competition it promotes is healthy because it creates incentives and allows the industry to try to solve a problem for you and get advanced capability to the warfighter as quickly as possible. IVEWS had a fantastic year, moving from lab prototype to flight demonstration. It has become Air Combat Command’s F-16 advanced fleet solution and a ‘must have,’ top priority program. IVEWS will keep the Viper relevant and lethal throughout its extended service life. The production and fielding of IVEWS is expected to begin in 2024.

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