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What’s going on with America’s next fighter designs?

WASHINGTON ― America is developing a pair of two new high-tech fighter aircraft, and you probably haven’t heard much about them. Under the leadership of Defense Secretary Jim Mattis, the Pentagon has clamped down on talking about cutting-edge capabilities in development, citing concerns about giving potential foes too much information. Nevertheless, some details have emerged about the ongoing programs, one each from the U.S. Air Force and the U.S. Navy. And inlight of European plans for new fighter designs, it is worth revisiting what is, and isn’t, known about the American efforts. In 2016, the U.S. Air Force unveiled its “Air Superiority 2030” study, which posited that although the service would need a new air superiority fighter jet — called Penetrating Counter Air — as soon as the 2030s, it would be just as important that the new plane fit into a "family of systems” of space,cyber, electronic warfareand other enabling technologies. “When you look at — through the lens of the netw…

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China's hypersonic military projects include spaceplanes and rail guns

The Tengyun spaceplane, first flight scheduled around 2020, will benefit from Chinese research into high strength fuselage materials, as well as increased research into scramjet technologies.
CCTV
Tengyun The Tengyun spaceplane, first flight scheduled around 2020, will benefit from Chinese research into high strength fuselage materials, as well as increased research into scramjet technologies. CCTVPhoto by: CCTV
While President Trump's recent push for a US Space Force drew mockery for its science fiction visions, China has been making steady progress in a variety of key areas to the future of space and military operations, including advances in 3D printing, energy storage, scramjet test platforms and ICBMs.
TSC Beijing
TSC Beijing, one of the world leaders in 3D printed metal aviation parts, has achieved significant time and cost savings by 3D printing this titanium center fuselage box for a 'high speed' Chinese drone.
TSC Beijing
TSC Beijing TSC Beijing, one of the world leaders in 3D printed metal aviation parts, has achieved significant time and cost savings by 3D printing this titanium center fuselage box for a 'high speed' Chinese drone. TSC BeijingPhoto by: TSC Beijing
TSC Beijing, a Chinese titanium manufacturer, successfully 3D printed a titanium fuselage central box for its high-speed aircraft, which cuts production time from two years down to just six months. TSC used the 3D laser printer TSC-S4510 (one of the world's largest 3D printers) to print the fuselage, within an error tolerance of less than 0.5mm. The intended aircraft was identified only as a "high speed" (read hypersonic) aircraft. Given its narrow wing roots, and 7 meter total length, it is likely a hypersonic UAV.
WZ-8
This high-speed Chinese drone, which reportedly first flew in September 2015 is launched from an H-6 carrier aircraft, the drone fired up its combined cycle turbo-ramjet engine to accelerate from subsonic to high-supersonic speeds. Tentatively identified as the WZ-8, it could be equipped with a scramjet to test combined cycle hypersonic engines.
Bai Wei
WZ-8 This high-speed Chinese drone, which reportedly first flew in September 2015 is launched from an H-6 carrier aircraft, the drone fired up its combined cycle turbo-ramjet engine to accelerate from subsonic to high-supersonic speeds. Tentatively identified as the WZ-8, it could be equipped with a scramjet to test combined cycle hypersonic engines. Bai WeiPhoto by: Bai Wei
One likely candidate for the titanium airframe is a single engine, high-supersonic UAV with narrow wings and a needle-like airframe. Possibly designated the WZ-8, it is believed to be an air-launched UAV used to test high-speed propulsion technologies, such as a turbine ramjet combined cycle engine. TSC Beijing's rapidly printed 3D components have an impact beyond any one system—they could allow China to field more test UAVs soon, speeding up next-generation hypersonic technologies.
Global First
China Railgun Haiyan Shan
Chinese magazine
Global First China Railgun Haiyan Shan Chinese magazinePhoto by: Chinese magazine
The Global Times reported that the Academy of Aerospace Solid Propulsion Technology, part of aerospace giant CASC, has delivered advanced Direct Current (DC) electric motors for use in an 'electromagnetic weapons system.' The DC motors are designed to operate in environments with heavy shock and recoil, and intense magnetic fields. This suggests the weapons system is a railgun, which uses electromagnetic force to shoot shells at speeds above Mach 6. Once operational, Chinese railguns could be used for anti-ship, long-range artillery bombardment and air/missile defense missions.
Ling Yun Scramjet
NUDT aims to develop the Ling Yun scramjet as a mass produced research platform for hypersonic flight in the stratosphere, in addition to any military applications.
NUDT
Ling Yun Scramjet NUDT aims to develop the Ling Yun scramjet as a mass produced research platform for hypersonic flight in the stratosphere, in addition to any military applications. NUDTPhoto by: NUDT
In May, the National Defense University of Technology (NUDT) showed off the Ling Yun, a Mach 6+, two stage scramjet testbed. NUDT hopes that the Ling Yun's relative simplicity and reliability will make it a mass-produced platform for refining new hypersonic technologies such as thermal resistant components for communications systems, or for collecting atmospheric data in the near space. The Ling Yun's ease of production could provide the basis for scramjet cruise missiles used to swarm enemy ships and air defenses.
Hypersonics for the Masses
The Ling Yun first flew in December 2015; it is likely that Chinese military engineers are taking a keen interest in using its scramjet engine for direction weapons applications.
National Natural Science Foundation of China
Hypersonics for the Masses The Ling Yun first flew in December 2015; it is likely that Chinese military engineers are taking a keen interest in using its scramjet engine for direction weapons applications. National Natural Science Foundation of ChinaPhoto by: National Natural Science Foundation of China
Other possibilities open up if Ling Yun's scramjet engine can scale down to a 6 to 8 inch diameter. This would open up the potential of hypersonic shells for China's cannons that could fire hundreds of kilometers (the US Army is also at work on such a system, targeting completion in 2023). A scramjet cannon would be cheaper and more mobile than a railgun, since it wouldn't need to lug around massive systems for power generation and storage. Scramjet cannons would be cheaper than ballistic missiles, not to mention being harder to defend against due to smaller sensor profiles and higher rates of fire.
DF-41
The DF-41 ICBM, with ten tests under its belt, will likely enter service next year. It is China's most deadly road mobile ICBM, armed with multiple maneuvering warheads, and can strike anywhere in the United States from China.
Chinese Internet
DF-41 The DF-41 ICBM, with ten tests under its belt, will likely enter service next year. It is China's most deadly road mobile ICBM, armed with multiple maneuvering warheads, and can strike anywhere in the United States from China. Chinese InternetPhoto by: Chinese Internet
Finally, the DF-41 intercontinental ballistic missile (ICBM) conducted its tenth test flight on May 27, 2018. The DF-41 is a mobile, 13,000-15,000km range ICBM with a multiple warhead payload of 1.5-2 tons. The DF-41's massive payload and Mach 25 top speed gives it enough performance to launch other systems, like a hypersonic glide vehicle with global reach (a Chinese response to the infamous Russian ICBM, Avangard) or more exotically, a multistage booster for long-range scramjet cruise missiles.
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