Anders Fogh Rasmussen to map new geopolitical landscape at Nor-Shipping 2022

October 27, 2021 Maritime Safety News

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A Sandia National Labs launch test for the joint U.S. Navy / U.S. Army Common Hypersonic Glide Body, March 2020 (Sandia)

PUBLISHED OCT 21, 2021 8:57 PM BY THE MARITIME EXECUTIVE

 

After a surprisingly successful Chinese missile test in late July, the U.S. Navy is stepping up the development program for the Common Hypersonic Glide Body, the service’s new ultra-high-speed strike projectile.

Hypersonic weapons travel in excess of Mach 5, much like ballistic missiles; unlike ballistic missiles, they can maneuver and approach the target on a near-horizontal trajectory. This makes them exceptionally difficult to detect, track, intercept or evade.

In order to get a hypersonic glide body up to speed, it is mounted to the top of a booster rocket and shot into space. The glide body maneuvers during and after re-entry into the atmosphere, returning to earth on a long, upredictable flight path.

Russia put a nuclear-capable hypersonic glide body into service on an ICBM in 2019, and the People’s Liberation Army deployed both a hypersonic anti-ship cruise missile and a hypersonic glide body in 2019. The U.S. has yet to field a comparable (unclassified) system, but it does have three publicly-acknowledged R&D programs.

On Thursday, the U.S. Navy announced the successful completion of a “high operational tempo for hypersonics” flight campaign for its Common Hypersonic Glide Body / booster rocket combination, dubbed Conventional Prompt Strike (CPS). The U.S. Army plans to field the same missile in a different launcher as the Long Range Hypersonic Weapon (LRHW). The launches conducted on Wednesday included three sounding rocket tests, used for prototype system testing.

A related test on Thursday was scuttled when the booster rocket failed, according to Reuters.

Two related initiatives, DARPA’s Hypersonic Air-breathing Weapon Concept (HAWC) and the U.S. Air Force’s Air-launched Rapid Response Weapon (ARRW), are also in testing. Despite difficulties with rocket ignition failure, ARRW is budgeted for early production beginning in FY2022, which would make it the U.S. military’s first operational hypersonic weapon.

An AGM-183A booster sheds its nose fairing and prepares to deploy the Air-launched Rapid Response Weapon (ARRW) hypersonic glide body (Department of Defense illustration)

The accelerated pace of procurement may be related to developments in the Indo-Pacific. In late July and again in August, the People’s Liberation Army tested an intercontinental ballistic missile system that leverages hypersonic technology for a strategic advantage.

According to the Financial Times, the PLA’s Rocket Force launched a Long March rocket tipped with a nuclear-capable hypersonic glide vehicle on July 27 (and again on August 13). Instead of traveling in a line directly towards the target, the glide vehicle stayed in outer space for a partial orbit of the Earth before descending, “demonstrating an advanced space capability that caught US intelligence by surprise.”

This flight path is known as “fractional orbital bombardment,” and it is of concern to defense planners because it allows the incoming missile to arrive from virtually any direction. Intercontinental ballistic missiles are launched on the shortest possible Great Circle line between the launch site and the target, making a high arc through space; with fractional orbital bombardment, the warhead can make a very long, low-orbit journey in the other direction. For the U.S. mainland – which has a north-facing missile defense system designed to detect ballistic flight paths from Russia and China – this creates a new, hard to spot threat.

The fractional orbital bombardment concept is not new: it was invented by the former Soviet Union, which developed and successfully fielded a ballistic missile system that could complete a partial orbit of the Earth. It was placed into service in 1968 and decommissioned in 1982.

The PLA’s tests appear to be the first time that the idea has been revived in decades. It is viewed as a potentially destabilizing technology, especially when coupled with a hypersonic glide body: its low altitude flight path and unconventional trajectory make the missile much harder to detect and defeat – ideal qualities for a first-strike nuclear weapon.

 

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Anders Fogh Rasmussen to map new geopolitical landscape at Nor-Shipping 2022


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