USAF demonstrates in-flight communication between F-35 and F-22 jets 04 May 2021 (Last Updated May 4th, 2021 16:32) The US Air Force (USAF) has demonstrated in-flight communication between F-35 and F-22 stealth jets during a flight test. Share Article The US Air Force (USAF) has demonstrated in-flight communication between F-35 and F-22 stealth jets during a flight test. The initiative, named Project Hydra, utilised an Open Systems Gateway (OSG) payload on board the U-2 spyplane to connect the fighter jets. Conducted jointly by USAF, the Missile Defense Agency and Lockheed Martin Skunk Works, the flight test involved five F-35s and an F-22 aircraft.