Back to news

August 25, 2021 | International, Aerospace, Naval, Land, C4ISR, Security

Contracts for August 24, 2021

On the same subject

  • Israel Plans Anti-Missile Nano Satellite Constellation

    October 4, 2018 | International, Aerospace, C4ISR

    Israel Plans Anti-Missile Nano Satellite Constellation

    By ARIE EGOZI TEL AVIV: Israel is planning constellations of nano satellites, built by Israel Aerospace Industries (IAI), that will allow almost continuous coverage of “areas of interest,” which are likely to include Iran, Syria, Lebanon and other countries, according to experts that are not connected in any way to the program. IAI refused to comment. The first nano satellite was developed by IAI and was launched into space in 2017 as part of a scientific experiment. The 5-kilogram satellite — approximately the size of a milk carton — is equipped with special cameras able to identify various climatic phenomena, and a monitoring system that allows the choice of areas to be imaged and researched. ”We are developing the capability to launch a constellation of Nano satellites. The large number of satellites will give us the capability for a much higher rate of revisits, and actually a continuous monitoring of areas of interest.” says Opher Doron, general manager of IAI's Space Division. The nano satellites optical payloads are smaller and the quality of their optical payloads is lower. ”But by using a temporal resolution method this problem is dealt with in a very effective way,” Doron claims. “This method is not directly related to the quality of the sensor but is based on the frequency of revisits over a site.“ The other problem with smaller satellites is color. “Resolution is, of course, very important but we also work on improving the color quality of the images, Doron said. “A good intelligence expert does not need color to extract, the needed intelligence from a satellite image, but when it comes to decision-makers, color is of great importance.” What underpins all this? It takes a ballistic missile 12 to 15 minutes to travel from Iran to Israel. The earlier a launch is detected and the earlier the trajectory of the missile can be plotted, the better the chances to intercept it far from its designated target. Today, low orbit Ofeq spy satellites visit “areas of interest” in wide intervals so their optical or radar payloads cannot keep a persistent watch. When it comes to the ballistic missile threat, this is a major problem. Israeli sources say that some 30 minutes are needed from the command to prepare a ballistic missile for launch until it is ready for launch, and this if the protection silos are well equipped. If the enemy is aware of the “visiting” time of the spy satellites over his territory this can be the perfect time to avoid detection of the preparations until the launch itself. Once launch occurs, Israel is supposed to get warnings from Lockheed Martin's Space-Based Infrared System (SBIRS),the US constellation of geosynchronous earth orbit (GEO) satellites. The U.S also deploys an X-band radar system in southern Israel to improve detection of ballistic missiles. This complements the layer supplied by the Green Pine radar, part of the Israeli Arrow missile interceptors. The first nano satellite was launched from India on the PSLV-C37 launcher with 103 other nano satellites. The plan to build and launch nano satellites first emerged a decade ago. A joint company of IAI and Rafael would undertake the mission. But that plan was deserted. Yizhak Ben Israel, chairman of the Israeli space agency, served in the Israeli air force and later was in charge of developing Israel's most advanced and classified military systems at the development directorate in the Defense Ministry. He notes that, although nanosats possess much less exquisite capabilities than SBIRS or other large satellites, “when you use a constellation of such satellites the combined capability can be very effective in missions like locating missile launchers.” The other advantage of nano satellites is their price: “You go from hundreds of million of dollars for a full size imaging satellite to some millions of dollars when it comes to a nano satellite.” Not directly related to the nano satellite program but part of Israel's space effort, IAI teamed with British start-up company Effective Space to make a fleet of special satellites weighing roughly 880 pounds that can refuel other satellites in space. IAI signed an agreement for technological and financial cooperation with the smaller company. While Effective Space is headquartered in London, its CEO, Arie Halsband, was general manager of IAI's space division before starting his own company. https://breakingdefense.com/2018/10/israel-plans-anti-missile-nano-satellite-constellation

  • US Navy shakes up the carrier Ford program after latest setback

    July 9, 2020 | International, Naval

    US Navy shakes up the carrier Ford program after latest setback

    By: David B. Larter WASHINGTON –The officer overseeing the deployment of the carrier Gerald R. Ford was fired Wednesday, the latest jolt to the trouble program that has been operating under a microscope as technical problems with nearly two dozen new technologies bundled into the lead ship have piled up. Capt. Ron Rutan was removed by Assistant Secretary of the Navy for Research, Development and Acquisition James Geurts last Wednesday in connection with his “performance over time” in the role as program manager for the ship. “Based on the recommendation of PEO Aircraft Carriers [Rear Adm. James Downey] due to performance over time, ASN RDA Geurts reassigned CVN 78 (PMS 378) Program Manager Capt. Ron Rutan to Naval Sea Systems Command (NAVSEA) staff, and selected Capt. Brian Metcalf, previously LPD 17 program manager and Executive Assistant to COMNAVSEA, as his relief, effective 1 July,” according to a statement from Naval Sea Systems Command spokesman Rory O'Connor The Navy said the change was made to get “fresh eyes” on the effort to get the new aircraft carrier through its post-delivery test and trial period, which will go on through the rest of this year before the ship heads into full-ship shock trials, where live explosives are set off next the ship to see how it handles battle damage. “While there is no perfect time for leadership transitions, it is prudent to bring in renewed energy now to lead the CVN 78 team through the challenges ahead,” the statement reads. “Capt. Metcalf's proven program management acumen and extensive waterfront experience will be a tremendous asset to the CVN 78 team in the months ahead.” News of Rutan's removal was first reported by USNI News. The Ford has had a witches' brew of technical problems and accompanying delays and setbacks since construction of the ship began in 2005. Much of the trouble is the result of trying to pack too much new stuff in a single new hull, and Rutan's firing shows the problems are still vexatious, said Jerry Hendrix, a retired Navy captain and analyst with the Telemus Group. “Obviously the problems on the Ford are still beyond the managers' ability to control them,” Hendrix said . “And while this may be a blow to Capt. Rutan's career, it sounds like they just needed to move on to someone who will take a different approach and brought a different perspective. It may be more about getting to the next guy as it is removing the current guy. “Look, I don't think it's possible to overstate the complexity of the Ford program.” The ship, conceived in an era when the Defense Department was looking to make giant steps forward in military technology while it had no direct peer competitors, packed at least 23 new technologies into the lead ship. Those included a complete redesign of the systems used to arm, launch and recover the ship's aircraft. All those systems have, in their turn, caused delays in getting the Navy's most expensive-ever warship to the fleet, which was originally to have deployed in 2018, but now will likely not deploy until 2023. The Ford cost the Navy roughly $13.3 billion, according to the latest Congressional Research Service report. Trials and tribulations The latest hiccup came in the form of a fault in the power supply system to the electromagnetic aircraft launch system, which is replacing the old steam catapult system on the Nimitz-class carriers. The fault curtailed flight operations on the ship for several days while the crew and contractors tried to identify the issue. Prior to the latest EMALS issue, the Advanced Weapons Elevators – which are designed to reduce the time it takes to get bombs armed and to the flight deck for mounting on aircraft – became the center of a firestorm and contributed to former Secretary of the Navy Richard Spencer's firing last year. In January 2019, Spencer announced he'd told the President that if the weapons elevators aren't functioning by mid-summer, then he should fire him. But within months Spencer had to admit that the weapons elevators would not be finished until the end of 2021 or maybe 2022, which he blamed on Huntington Ingalls Industries for not communicating adequately. Making the Ford deployment ready was a focus of former acting Navy Secretary Thomas Modly, who likened the ship to an albatross around the Navy's neck. “The Ford is something the president cares a lot about, it's something he talks a lot about, and I think his concerns are justified,” Modly said. “It's very, very expensive, and it needs to work. “And there is a trail of tears that explains why we are where we are, but right now we need to fix that ship and make sure it works. There is nothing worse than having a ship like that, our most expensive asset, being out there as a metaphor for why the Navy can't do anything right.” https://www.defensenews.com/naval/2020/07/07/the-us-navy-shakes-up-the-carrier-ford-program-after-latest-setback/

  • Nato unveils new AI strategy amid rising security concerns - Army Technology

    July 15, 2024 | International, Land, C4ISR, Security

    Nato unveils new AI strategy amid rising security concerns - Army Technology

    The updated Nato framework prioritises the responsible adoption of AI and tackles issues such as disinformation and gender-based violence.

All news