U-2 Spy plane connects five F-35s and an F-22 under Project Hydra to provide real-time 5th Generation data to operators on the ground

U-2 Spy plane connects five F-35s and an F-22 under Project Hydra to provide real-time 5th Generation data to operators on the ground

By Dario Leone
May 4 2021
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Named Project Hydra, the latest flight test leveraged an Open Systems Gateway payload aboard the U-2 to connect an F-22 to five F-35s via native Intra-Flight Data Link and Multifunction Advanced Data Link, successfully sharing data between all airborne aircraft and with nodes on the ground.

Lockheed Martin Skunk Works, the Missile Defense Agency and the US Air Force (USAF) successfully linked a U-2, five F-35s and an F-22 in air and provided real-time 5th Generation data to operators on the ground, introducing greater mission flexibility across domains and an enhanced total operational picture for the joint warfighter.

Named Project Hydra, the latest flight test leveraged an Open Systems Gateway (OSG) payload aboard the U-2 to connect an F-22 to five F-35s via native Intra-Flight Data Link (IFDL) and Multifunction Advanced Data Link (MADL), successfully sharing data between all airborne aircraft and with nodes on the ground. The target tracks were also transmitted by and through the U-2 into the fighter avionics and pilot displays.

“Project Hydra marks the first time that bi-directional communications were established between 5th Generation aircraft in-flight while also sharing operational and sensor data down to ground operators for real-time capability,” said Jeff Babione, vice president and general manager, Lockheed Martin Skunk Works, in the company news release. “This next-level connectivity reduces the data-to-decision timeline from minutes to seconds, which is critical in fighting today’s adversaries and advanced threats.”

The Project Hydra effort also marked the first time F-35 sensor data was delivered to an operational ground system over a Tactical Targeting Network Terminal (TTNT) link using an airborne gateway. This data was then sent to the US Army Integrated Battle Command System (IBCS) Airborne Sensor Adaptation Kit (A-Kit), also developed by Lockheed Martin. The A-Kit then transmitted data to the IBCS Tactical System Integration Laboratory (TSIL) at Fort Bliss, Texas. IBCS used the F-35 sensor data to conduct a simulated Army fires exercise.

F-22s and F-35s

The core of the Hydra payload leverages the Open Mission Systems (OMS) compliant Enterprise Mission Computer 2 (EMC2), facilitating F-22, F-35, TTNT and Link-16 connections. By leveraging both line-of-sight (LOS) and beyond line-of-sight (BLOS) datalink capabilities of the U-2, data can now be shared directly to tactical users and globally to command and control (C2) nodes like the Common Mission Control Center (CMCC). During this demonstration, both the CMCC and Shadow Operations Center at Nellis Air Force Base were able to view the sensor and platform data to enable situational awareness for operational command and control of highly capable air assets.

Bringing the power of 5th Generation data and exposing new C2 opportunities across multiple domains continues to demonstrate Lockheed Martin’s readiness to provide unmatched battlespace awareness and rapidly field capability today. This demonstration is another key step forward in Lockheed Martin’s support for the Air Force’s Advanced Battle Management System and the Army’s Project Convergence, supporting the goal of providing commanders critical tools for the joint all-domain battlespace environment.

Noteworthy, in 2019 Skunk Works, the Missile Defense Agency and the USAF already successfully connected an F-35, U-2 and a multi-domain ground station in a test demonstrating multi-domain operations and the secure distribution of sensitive information across multiple platforms.

During the demonstration, called Project Riot, an F-35 detected a long-range missile launch with its onboard sensors and shared the information through the U-2 to the air defense commander on the ground, enabling the commander to quickly make the decision to target the threat. This next-level connectivity reduces the data-to-decision timeline from minutes to seconds, which is critical in fighting today’s adversaries and advanced threats.

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Photo credit: Lockheed Martin and U.S. Air Force


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Dario Leone

Dario Leone

Dario Leone is an aviation, defense and military writer. He is the Founder and Editor of “The Aviation Geek Club” one of the world’s most read military aviation blogs. His writing has appeared in The National Interest and other news media. He has reported from Europe and flown Super Puma and Cougar helicopters with the Swiss Air Force.

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