26 décembre 2019 | International, Aérospatial

The Air Force will need terminals that work with more than GPS

By: Nathan Strout

Congress wants the Air Force to develop a prototype receiver capable of using navigation signals provided by other countries, which could increase the resilience of the military's position, navigation and timing equipment.

The primary source of the military's PNT data is the Global Positioning System, a satellite system operated by the Air Force. But with adversaries developing GPS jamming technology and anti-satellite weapons that could potentially knock out one or more of those satellites, Congress wants a receiver capable of utilizing other global navigation satellite systems.

The annual defense policy bill, which was passed by both chambers of the legislature this week, calls on the Air Force to develop a prototype receiver capable of utilizing multiple global navigation satellite systems in addition to GPS, such as the European Union's Galileo and Japan's QZSS satellites. The belief is that if the GPS signal is degraded or denied, war fighters could switch to one of those other systems to get the PNT data they need.

According to Brian Weeden, director of program planning at the Secure World Foundation, the provision represents an evolution from the Department of Defense's stance on foreign GNSS signals from 15 years ago.

“When Galileo was first announced, there was a big debate within the Pentagon about whether to cooperate with the Europeans or try and kill it,” Weeden wrote to C4ISRNET in a Dec. 18 email. “The big driver there was that the Europeans were going to park their protected signal on top of M-code and then sell their service as being unjammable by the Americans (assuming that the US couldn't jam the protected Galileo signal without also interfering with M-Code).”

Efforts to kill Galileo ultimately died, Weeden noted, although the EU did move their protected GNSS signal off of M-Code, a more secure military version of the GPS signal that is in development. That concession and the subsequent development of GPS jamming capabilities by Russia and China has changed the thinking on Galileo and other GNSS signals.

“It seems the Pentagon has decided that leveraging Galileo will make their PNT capabilities more robust as Russia or China would need to jam both of the separate military signals,” said Weeden. “There's some engineering and technical wizardry still to be worked out to create a good multi-GNSS receiver but it's doable.”

Congress wants the Air Force to report on the benefits and risks of each potential GNSS signal, and it fences 90 percent of the funding for the Military GPS User Equipment Program until lawmakers receive that report.

https://www.c4isrnet.com/battlefield-tech/space/2019/12/19/the-air-force-will-need-terminals-that-work-with-more-than-gps

Sur le même sujet

  • LOCKHEED MARTIN SELECTS RAYTHEON TO DELIVER NEXT GENERATION F-35 SENSOR SYSTEM

    13 juin 2018 | International, Aérospatial

    LOCKHEED MARTIN SELECTS RAYTHEON TO DELIVER NEXT GENERATION F-35 SENSOR SYSTEM

    FORT WORTH, Texas, June 13, 2018 /PRNewswire/ -- Lockheed Martin [NYSE: LMT] selected Raytheon [NYSE: RTN] to develop and deliver the next generation Distributed Aperture System (DAS) for the F-35fighter jet. The result of a Lockheed Martin-led competition, the selection will enhance capability and reduce cost. The F-35's DAS collects and sends high resolution, real-time imagery to the pilot's helmet from six infrared cameras mounted around the aircraft, allowing pilots to see the environment around them – day or night. With the ability to detect and track threats from any angle, the F-35 DAS gives pilots unprecedented situational awareness of the battlespace. "The supply chain competition for the next generation F-35 Distributed Aperture System resulted in significant cost savings, reliability and performance improvements," said Greg Ulmer, Lockheed Martin vice president and general manager of the F-35 program. "We are aggressively pursuing cost reduction across the F-35 enterprise and this initiative is a clear demonstration of our unrelenting commitment to reduce costs and deliver transformational capabilities for the warfighter." Reduce Costs, Increased Performance The Raytheon-built DAS will be integrated into F-35 aircraft starting with Lot 15 aircraft, expected to begin deliveries in 2023. The next generation DAS system is estimated to generate the following results compared to the current system: More than $3 billion in life cycle cost savings Approximately 45 percent reduction in unit recurring cost Greater than 50 percent reduction in operations and sustainment cost 5 times more reliability 2 times performance capability improvement The new system will also indirectly benefit aircraft readiness and service manpower requirements "Raytheon's solution delivers next generation capability for the fifth generation F-35," said Roy Azevedo vice president of Intelligence, Surveillance and Reconnaissance Systems at Raytheon Space and Airborne Systems. "Our focus is on providing pilots every tactical advantage imaginable while ensuring taxpayers receive the best value possible." With stealth technology, advanced sensors, weapons capacity and range, the F-35 is the most lethal, survivable and connected fighter aircraft ever built. More than a fighter jet, the F-35's ability to collect, analyze and share data is a powerful force multiplier enhancing all airborne, surface and ground-based assets in the battlespace and enabling men and women in uniform to execute their mission and come home safe. For additional information, visit www.f35.com. About Lockheed Martin Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 100,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. About Raytheon Raytheon Company, with 2017 sales of $25 billion and 64,000 employees, is a technology and innovation leader specializing in defense, civil government and cybersecurity solutions. With a history of innovation spanning 96 years, Raytheon provides state-of-the-art electronics, mission systems integration, C5I™ products and services, sensing, effects, and mission support for customers in more than 80 countries. Raytheon is headquartered in Waltham, Massachusetts. Follow us on Twitter. https://news.lockheedmartin.com/2018-06-13-Lockheed-Martin-Selects-Raytheon-to-Deliver-Next-Generation-F-35-Sensor-System

  • Arms control decisions by Trump administration could be ‘imminent.’ Will China be involved?

    27 février 2020 | International, Autre défense

    Arms control decisions by Trump administration could be ‘imminent.’ Will China be involved?

    MINOT AIR FORCE BASE, N.D. — With a major arms control agreement between the U.S. and Russia set to expire next February, members of the nonproliferation community have been watching for signs that negotiations may begin in earnest. For those observers, some welcome news: Movement on the Trump administration's arms control plan is “imminent,” according to a senior defense official familiar with internal administration discussions. However, what that looks like appears to be up in the air: a short-term extension of the New START agreement with Russia; something that involves nuclear-armed China; a combination of those two; or all parties walking away entirely. “All the options are literally on the interagency table,” the official told Defense News on condition of anonymity. The New START agreement, signed in 2010, is an arms control pact between Russia and the U.S. that restricts each country to a total of 1,550 warheads deployed on bombers, submarines and in underground silos. Following the dissolution of the Intermediate-Range Nuclear Forces Treaty, New START is the only major nuclear arms control agreement left between the two nuclear powers. China has traditionally refused to sign onto arms control agreements. But Beijing has become a focus for those in Washington convinced that any new arms control agreement must include the Asian nation. China is estimated by the Federation of American Scientists to have 290 nuclear warheads, compared to more than 6,000 for Russia and the U.S. each, and the country is investing in nuclear modernization efforts. Though top Chinese officials made clear that Beijing will not participate in trilateral talks, U.S. President Donald Trump in December expressed optimism that a deal could happen, saying Chinese officials “were extremely excited about getting involved. ... So some very good things can happen with respect to that.” While traveling last week to tour the intercontinental ballistic missile fields at Minot Air Force Base, North Dakota, Defense Secretary Mark Esper declined to speculate on the state of negotiations and what he would recommend Trump do. But he did indicate there would be a meeting at his level “soon” on the issue. “If we proceed forward [with New START], we have to include Russia's new strategic weapons. They have to be included in the treaty. Number two, we should include Russia's nonstrategic nuclear weapons. They have nearly 2,000 of them,” Esper said. “Then I think we should put on the table: Can we bring China into the fold? We're trying to create strategic stability. It's hard to do that if you have a country of China's capacity and capability outside of that treaty.” Speaking at Minot later, Esper added: “If we want to preserve strategic stability using arms control as a counterpart of that, as a tool in that toolkit, then China should be in as well.” State of discussion While some have theorized that the Trump administration is trying to run out the clock on negotiations, the official ascribed the slow public movement to myriad “distractions” around Washington that has sucked attention from Trump, Esper and Secretary of State Mike Pompeo. The official added that the outbreak of the coronavirus known as COVID-19, which originated in China, has made discussions with Chinese counterparts difficult. There have been ongoing meetings on the issue at the assistant secretary level across the Defense Department, the National Security Council, the State Department and the National Nuclear Security Administration. “Ultimate decisions haven't been taken yet, but [a proposal] should be imminent,” the official said. The first challenge, timewise, is the Feb. 5, 2021, expiration date for New START. Getting something done before then may be a challenge, especially if the goal is an expanded arms control agreement that loops in China, but “physically, you could do it because it doesn't require senate ratification, just a couple of notes signed by just getting everyone — the three sides — to agree to something,” the official said. The question of New START's fate is complicated by the desire to loop in China on a new agreement. Administration officials have been working to develop a compelling case for how to convince Beijing to join a trilateral nuclear deal. The argument largely comes in two forms. First, that if China does not sign onto a nuclear arrangement of some sort, it could lead Russia or the U.S. to consider growing their own arsenals — ensuring China's nuclear inferiority at a time when the Pacific power is racing to grow its stockpile. The second argument is that great powers work on nuclear agreements together — and so joining one as equals with Washington and Moscow should appeal to Beijing's desire for recognition on the global stage. Meia Nouwens, an expert on Chinese military affairs with the International Institute for Strategic Studies, says those two arguments are the most sensible ones to put forth to Beijing, particularly the appeal to China as a great power. She also speculated that if China's economy takes a downturn, it may find cooperating with the rules-based international system to be a “greater priority” than a China-first agenda. But, Nouwens predicts, “it will require the U.S. and Russia to make the first steps though before China decides to agree to reducing what it views as an already significantly smaller Chinese nuclear arsenal. The trust isn't there.” Rose Gottemoeller, who served as undersecretary of state for arms control and international security at the U.S. State Department during the Obama administration, before becoming deputy secretary general of NATO from 2016-2019, believes a careful calibration of what, exactly, is being negotiated will be key to any negotiation involving the Chinese. “I think you can make a case for the Chinese to come to the table early on intermediate-range constraints of ground-launched missiles because they are staring at the possibility of a deployment of very capable U.S. missiles of this kind,” she said at a January event hosted by the Defense Writers Group. “But I am concerned, they have so few warheads that if you put an emphasis on controlling their warheads, the incentive is for them to run the other direction rather than come to the table,” she added. Gottemoeller also indicated that the question of extending New START is a separate one from trying to bring China into the arms control fold. “The way the expansion program of New START is written, it's written so that it remains in place four to five years, so from '21 to '26, or until superseded by a new treaty. So it's not as if the administration is stuck with New START for another five years,” she said. “Go for it. Work on the new treaty. Get it done. And then New START would be superseded by the new treaty entering into force,” if ratified. “Let's just get on with what we need to do in negotiating new treaties. I am concerned that there will be a lot of gamesmanship going on, and as I said, the Russians are excellent in that kind of game as well,” she added. “Let us not play around with leverage in this case, but simply extend the thing for five years and then get done what we need to get done, which is to negotiate these new treaties." https://www.defensenews.com/pentagon/2020/02/26/arms-control-decisions-by-trump-administration-could-be-imminent-will-china-be-involved/

  • DHS, CISA Announce Membership Changes to the Cyber Safety Review Board | CISA
Toutes les nouvelles