From the DARPA Website: DARPA’s Operational Fires (OpFires) program, which is developing a ground-launched intermediate-range hypersonic weapons system, is advancing to a new phase. This new phase involves full-scale missile fabrication, assembly, and flight testing from a launch vehicle. It will be be produced by Lockheed Martin Missiles and Fire Control…OpFires aims to demonstrate a novel system enabling hypersonic boost glide weapons to rapidly and precisely hit critical, time-sensitive targets while penetrating modern enemy air defenses.
During a visit to Tokyo in 2017, Donald Trump called on Japan to buy “massive” amounts of American weaponry. At the time, North Korea was testing new rockets regularly. For the Japanese government, buying Aegis Ashore, a pricey American missile shield, allayed both concerns. Not all Japanese, however, were happy with the purchase, especially in Araya, a quiet residential neighbourhood of low-slung homes next to the sea in Akita city—and the site of a proposed Aegis base.
Jittery locals fretted about electromagnetic waves from the system’s radar and debris from its rockets. They worried about becoming a target in a conflict, as the city’s oil refineries were during the second world war. “Why, why here?” asks Sasaki Masashi, a retired railway worker and head of a neighbourhood council. “It says: ‘Please attack us’,” complains Sakurada Yuko, another anti-Aegis campaigner. They have collected signatures, harangued officials and voted against the ruling Liberal Democratic Party which unexpectedly lost a seat in Akita in elections to the upper house of parliament last year.
In June 2020 Akita received unexpected but welcome news: the government declared it was scrapping the $4.2bn purchase of Aegis Ashore. Kono Taro, the defence minister, cited the ballooning cost of ensuring that boosters did not fall on civilian property….
Excerpts from Anti-anti-missile systems, Economist, Aug. 15, 2020
For decades, the U.S. military—and its adversaries—have coveted missiles that travel at hypersonic speed, generally defined as Mach 5 (5 times the speed of sound) or greater . Intercontinental ballistic missiles (ICBMs) meet that definition when they re-enter the atmosphere from space. But because they arc along a predictable ballistic path, like a bullet, they lack the element of surprise. In contrast, hypersonic weapons such as China’s waverider maneuver aerodynamically, enabling them to dodge defenses and keep an adversary guessing about the target.
The US Department of Defense (DOD) is leading a new charge, pouring more than $1 billion annually into hypersonic research. Competition from ambitious programs in China and Russia is a key motivator. Although hype and secrecy muddy the picture, all three nations appear to have made substantial progress in overcoming key obstacles, such as protecting hypersonic craft from savage frictional heating. Russia recently unveiled a weapon called the Kinzhal, said to reach Mach 10 under its own power, and another called Avangard that is boosted by a rocket to an astonishing Mach 27. China showed off a rocket-boosted hypersonic glide vehicle (HGV) of its own, the Dongfeng-17, in a recent military parade. The United States, meanwhile, is testing several hypersonic weapons. “It’s a race to the Moon sort of thing,” says Iain Boyd, an aerospace engineer at the University of Colorado, Boulder. “National pride is at stake.”
China’s military sees hypersonic weapons (as well as cyberwarfare and electromagnetic pulse strikes) as an “assassin’s mace”: a folklore term for a weapon that gives an advantage against a better-armed foe. If tensions were to spike over Taiwan or the South China Sea, for instance, China might be tempted to launch preemptive strikes with conventional hypersonic weapons that could cripple U.S. forces in the Pacific Ocean.For now, maneuverability at hypersonic speeds makes the weapons nearly impossible to shoot down—unstoppable…
At hypersonic speeds, “You’re flying under extraordinary conditions”—extreme velocities, forces, and temperatures. At hypersonic speeds “temperatures start to get high enough to worry about… A vehicle’s survival requires resilient superalloys and ultra–high-temperature ceramics. And perhaps novel coolants…
Other nations are chasing the trio of leaders—or teaming up with them. Australia is collaborating with the United States on a Mach 8 HGV, and India with Russia on a Mach 7 Hypersonic Cruise Missile (HCM). France intends to field an HCM by 2022, and Japan is aiming for an HGV in 2026.
THE United States is largely defenseless against such weapons, at least for now, in part because it can’t track them…To remedy that shortcoming, the Pentagon plans to launch hundreds of small satellites with sensors capable of tracking heat sources an order of magnitude cooler than rocket boosters. The full Hypersonic and Ballistic Tracking Space Sensor network could be up and running by 2030, he adds. (The satellites would also be used to help guide U.S. hypersonic weapons.) Once you have such sensors, “we can find a way to build the interceptors…Interceptors could destroy a hypersonic vehicle either by colliding with it or by detonating a warhead nearby. But Missile Defense Agency (MDA) is also exploring using directed energy: lasers, neutral particle beams, and microwaves or radio waves.
Richard StoneJan, National pride is at stake.’ Russia, China, United States race to build hypersonic weapons, Science, Jan 10, 2020
Hypersonics are like missiles that travel at over five times the speed of sound, but are able to manoeuvre in mid-flight, making them much harder to track and intercept than traditional projectiles. France is the fourth of the five permanent UN Security Council members to join the so-called “stealth by speed” contest, after China, Russia and the United States. “We have decided to issue a contract for a hypersonic glider”–V-MaX (Experimental Manoeuvering Vehicle)–that can travel at over 6,000 kilometres per hour, Defence Minister Florence Parly said last week, promising a test flight by the end of 2021.
In March 2018, Russian President Vladimir Putin stunned Western military analysts – and many in Russia – by unveiling plans for a new arsenal of hypersonic weapons which he said would render missile defence systems obsolete….A few months later US President Donald Trump threatened to walk away from a key arms control treaty with Moscow.
Hypersonic gliders would be carried to the end of the earth’s atmosphere by a launch vehicle and would then “glide” back to a target on the ground. “The goal is high-speed manoeuvrability. That’s how it differs from a ballistic trajectory,” the French government’s defence procurement and technology agency (DGA) said. “Once the initial speed is reached, we can play with speed and altitude to move up and down, to the left and to the right, creating a trajectory that is more difficult to intercept,” it said…
In December 2018, the Kremlin touted the capabilities of its new hypersonic glider, aptly named “Avanguard”. The Kremlin said that in tests, the intercontinental projectile reached 27 times the speed of sound – 33,000 kilometres per hour, or Mach 27. “At this speed, not a single intercepter missile can shoot it down,” Deputy Prime Minister Yury Borisov boasted. China has also reportedly carried out several successful tests since 2014 of a glider that can reach speeds of between Mach 5 and Mach 10.
Excerpts from Race for ‘hypersonic’ weapons heats up as France joins fray, Agence France Presse, Jan. 29, 2019