China's WZ-8 drone, reminiscent of the American D-21, was revealed in 2019 as a sophisticated UAV capable of Mach 3.0 speeds and operating at altitudes up to 100,000 feet.
In 2021, NASA retired the S-3 Viking, its primary research aircraft for 16 years, now displayed at the San Diego Air and Space Museum. Initially developed by Lockheed Martin for the U.S. Navy in the 1960s for anti-submarine warfare, the Viking, known as "War Hoover" for its distinctive sound, was a versatile aircraft carrier-based platform.
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Perhaps the most critical alteration the Adir fighter possesses is its electronic warfare system (ESW). The F-35I sports domestically-produced sensors and countermeasures, along with Israeli-made helmet-mounted displays and other data-gathering and processing capabilities.