12 décembre 2019 | International, Aérospatial
Steve Trimble
The main thrust of the U.S. Missile Defense Agency's counter-hypersonic strategy has just been revealed.
The Regional Glide Phase Weapon System (RGPWS) prototype project demonstrates an interception capability against a medium- or intermediate-range threat.
The MDA revealed the existence of the program in a request for prototype proposals released to industry on Dec. 5. An industry day for the RGPWS prototype project is scheduled on Dec. 18 at an MDA facility on Redstone Arsenal, Alabama.
The RGPWS shows the MDA is moving faster to field at least a prototype counter-hypersonic capability than previous efforts suggested.
The MDA had previously defined a concept for a Hypersonic Defense Weapon System (HDWS). The agency selected 21 proposals from industry in September 2018 for concept definition studies. MDA then down selected to five concepts in late August and early September 2019 for a nine-month-long concept refinement phase. The selected proposals included four kinetic concepts based on existing boosters and one Raytheon-directed energy system.
The RGPWS is a parallel effort by MDA to the HDWS. The companies selected for the HDWS concept refinement phase could submit separate proposals for RGPWS. But other companies that were rejected after the concept definition phase or did not participate in HDWS can participate in the RGPWS, says Tom Karako, director of the Missile Defense Project at the Center for Strategic and International Studies (CSIS), who was briefed on the program on Dec. 9.
For example, Northrop Grumman's proposal was not down selected for the HDWS concept refinement phase, but it intends to compete for the RGPWS prototype project.
“Northrop Grumman is engaged with MDA on Hypersonic Defense Regional Glide Phase Weapon System and will attend the upcoming industry day,” a spokesman says.
Northrop has been developing kinetic and non-kinetic options for missile defense, including one concept in the latter category called the Terminal and Regional Electronic Attack Defense System.
The acknowledgment of the RGPWS offers a limited glimpse into MDA's development strategy for the burgeoning counter-hypersonic capability. In July 2017, the agency first disclosed plans for funding a hypersonic defense demonstration. An item in the Selected Acquisition Reports for the Ballistic Missile Defense System added $508 million to the program's overall budget to pay for such a demonstration. In March 2019, the agency disclosed it would spend more than $600 million on hypersonic defense capabilities by the end of fiscal 2024.
By emphasizing a “glide phase” weapon with a “regional” targeting area, the MDA also provided clues about the intent of the demonstration. It does not appear to be targeting an intercontinental ballistic missile with a nuclear hypersonic glide vehicle as the warhead, such as Russia's Avangard. It is more likely designed to target a hypersonic glide vehicle with regional range, Karako says. Options may include hypersonic glide vehicles on China's DF-17 and DF-21 missiles.
“That's a good thing,” Karako says. “It's a smart move for MDA to start there.”
Separately, the Defense Advanced Research Projects Agency continues to pursue the Glide Breaker program. It was revealed in July 2018 as a program with a particular interest in “component technologies that radically reduce risk for development and integration of an operational hard-kill system,” according to a DARPA solicitation document. But no further details about Glide Breaker have been released.
https://aviationweek.com/defense/rfp-reveals-main-thrust-us-counter-hypersonic-plan
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By Tony Osborne LONDON – Britain's aerospace industry is waking up to Brexit certainty after Prime Minister Boris Johnson secured a landslide majority in a Dec. 12 general election. Johnson's Conservative party secured a significant majority in the British Parliament – the largest since Margaret Thatcher in the 1980s - which will enable him to push through his vision of Brexit on Jan. 31, 2020 ending Parliamentary and legal deadlocks that have delayed the UK's departure from the EU since the original date of March 29, 2019. For aerospace, the Parliamentary majority means stability in planning and investment, and there are unlikely to be any more delays to the process. It should also mean that the threat of a no-deal Brexit – widely considered the worst-case scenario for aerospace – has largely evaporated for now. The current iteration of the withdrawal agreement between Britain and the EU calls for regulatory alignment with the European Aviation Safety Agency (EASA) and the European Chemicals Agency (ECHA), but the two sides still have to negotiate future trade agreements once the UK has exited the EU. A lack of agreement here could result in a no-deal. British aerospace and defense trade association ADS said it was looking forward to working with the new government but said that ministers needed to “deliver a close future relationship with the European Union." In a statement, ADS CEO Paul Everitt called on the government to push forward with “investments in innovation and green technologies, develop a defense and security industrial strategy and an ambitious national space program.” Airbus, one of the most vocal aerospace companies against Brexit, said it welcomed the fact that the British government now has a “clear mandate” and is looking forward to “positive discussions.” “Airbus remains concerned by the potential for a ‘no-deal' in December 2020 and we will continue to plan for that scenario as that is the only way any responsible business can plan,” the company said in a statement. “We will continue to run our major Brexit project in order to further eradicate and/or mitigate risks.” If the election result made Brexit more likely, it makes the break-up of the UK more probable too after the Scottish National Party (SNP) secured 48 of the 59 Parliamentary seats in Scotland. SNP leader Nicola Sturgeon said the result was a mandate for a second Scottish independence referendum. The Conservative government is unlikely to green-light such a referendum, but independence would have significant ramifications for UK defense given the presence of several airbases and the UK's ballistic missile submarines carrying the nuclear deterrent. https://aviationweek.com/defense/brexit-certainty-after-boris-johnson-election-landslide