How Relativity Space plans to win the Pentagon’s launch contracts

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  11 février 2021 | International, Aérospatial

  These three companies won contracts for DARPA’s new LongShot drone

  By: Valerie Insinna WASHINGTON — The U.S. Defense Advanced Research Projects Agency wants to create an air-launched drone that carries its own smaller weapons, a concept that brings to mind a lethal Russian nesting doll packed with missiles. If successful, the new UAV — called LongShot — could allow high-value manned aircraft like fighters and bombers to hang back at standoff distances while the drone moves forward and strikes multiple targets using its own air-launched weapons. DARPA announced Feb. 8 that it had awarded contracts to General Atomics, Lockheed Martin and Northrop Grumman for the first phase of the program, during which the companies will create preliminary designs. “The LongShot program changes the paradigm of air combat operations by demonstrating an unmanned, air-launched vehicle capable of employing current and advanced air-to-air weapons,” said Lt. Col. Paul Calhoun, a program manager for DARPA's Tactical Technology Office. “LongShot will disrupt traditional incremental weapon improvements by providing an alternative means of generating combat capability.” Under the LongShot program, DARPA plans to explore multimodal propulsion, which the organization sees as key to the drone's concept of operations. “An air system using multi-modal propulsion could capitalize upon a slower speed, higher fuel-efficient air vehicle for ingress, while retaining highly energetic air-to-air missiles for endgame target engagement,” the Defense Department stated in fiscal 2021 budget material. That way, the UAV gets the benefit of being able to traverse longer ranges, while the weapons it launches have a higher probability of destroying their intended targets. If LongShot's development is successful, the weapon could “significantly” extend the range at which a manned aircraft can engage a target while also reducing the risk to human pilots, DARPA stated in a news release. DARPA did not immediately respond to a request for comment about the value of the contracts or the future schedule of the program, although it noted in a release that companies will build and fly full-scale demonstrators during a future phase of the program. During those tests, companies will prove their LongShot UAVs are capable of controlled flight and launching weapons. DARPA started the LongShot program in FY21, requesting $22 million to begin conceptual design work. According to budget documents, the LongShot UAV could be either launched from an external hardpoint on a fighter or the internal bay on a bomber. Both the Air Force and Navy could be potential future customers. https://www.defensenews.com/air/2021/02/09/these-three-companies-got-contracts-for-darpas-new-longshot-drone

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  3 septembre 2024 | International, C4ISR, Sécurité

  New Flaws in Microsoft macOS Apps Could Allow Hackers to Gain Unrestricted Access

  Eight vulnerabilities in Microsoft macOS apps allow attackers to bypass permissions, gaining unauthorized access to sensitive data.

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  28 février 2020 | International, Aérospatial, Terrestre

  Robots Autonomously Navigate Underground in DARPA Challenge

  Whether robots are exploring caves on other planets or disaster areas here on Earth, autonomy enables them to navigate extreme environments without human guidance or access to GPS. The Subterranean Challenge, or SubT, is testing this kind of cutting-edge technology. Sponsored by the Defense Advanced Research Projects Agency (DARPA), the contest concluded its second circuit on Wednesday, Feb. 27. Taking first in the competition was CoSTAR, a 12-robot, 60-person team led by NASA's Jet Propulsion Laboratory (there were also winners declared for a separate, virtual competition). SubT is divided into four circuits spread over three years. With each, teams program their robots to navigate a complex underground course. The first contest, held last August, took place in a mine. For the most recent, called the Urban Circuit, teams raced against one another in an unfinished power plant in Elma, Washington. Each team's robots searched for a set of 20 predetermined objects, earning a point for each find. For the Urban Circuit, CoSTAR earned 16 points; the No. 2 team, with 11 points, was Explorer, led by Carnegie Mellon University. "The goal is to develop software for our robots that lets them decide how to proceed as they face new surprises," said CoSTAR's team lead Ali Agha of JPL. "These robots are highly autonomous and for the most part make decisions without human intervention." CoSTAR, which stands for Collaborative SubTerranean Autonomous Robots, brought machines that can roll, walk or fly, depending on what they encounter. Along the way, the bots have to map the environment and find objects like a warm mannequin that simulates a disaster survivor or a lost cellphone with a Wi-Fi signal. This particular course, which aims to simulate an urban environment, also included a carbon dioxide leak and a warm air vent. Joining the team for the Urban Circuit was a four-legged robot called Spot, which was provided by Boston Dynamics. "One of the two courses we had to run had multiple levels, so it was great that the Boston Dynamics robots were fantastic on stairs," says Joel Burdick, a Caltech professor and JPL research scientist. He is the leader of the Caltech campus section of the CoSTAR team. As the bots explore, they send back video and digital maps to a single human supervisor, who they remained in radio contact with for the first 100 feet (30 meters) or so of the course. They can extend that range by dropping communications nodes, a kind of wireless repeater. Once out of contact, it's up to each robot to decide whether to proceed or backtrack in order to update the team. Each must also rely on fellow robots to access different levels of the course. For example, a wheeled robot might request a quadrupedal one to climb or descend a flight of stairs. "These courses are very, very challenging, and most of the difficulty lies in communicating with the robots after they've gone out of range," Agha said. "That's critical for NASA: We want to send robots into caves on the Moon or Mars, where they have to explore on their own." Mapping caves on the Moon or Mars could identify good shelters for future astronauts. Moreover, if it exists at all, microbial life has a better chance of survival under the surface of Mars or within the icy seas of planetary moons, like Europa, Enceladus and Titan. NASA wants to search for life in these regions, where robots would be frequently out of contact. The next circuit in the Subterranean Challenge will be set in an undisclosed natural cave network this August. A final circuit that blends tunnels, urban environments and natural caves will take place in August of 2021. Teams competing in that final event have the opportunity to win up to $2 million in funding from DARPA. CoSTAR, includes JPL; Caltech, which manages JPL for NASA; MIT; KAIST (Korea Advanced Institute of Science and Technology); Sweden's Lulea University of Technology; and industry partners. News Media Contact Andrew Good Jet Propulsion Laboratory, Pasadena, Calif. 818-393-2433 andrew.c.good@jpl.nasa.gov 2020-041 https://www.jpl.nasa.gov/news/news.php?release=2020-041&rn=news.xml&rst=7607