June 9, 2021 | International, Aerospace, C4ISR, Security
EASA provides industry with the first concrete guidance on certification requirements for AI in safety-critical applications.
July 11, 2024 | International, Security
Discover how Poco RAT, a new remote access trojan, targets Spanish-speaking industries through sophisticated phishing campaigns and Google Drive explo
June 26, 2018 | International, Naval
David B. Larter WASHINGTON ― The U.S. Navy is convinced that the next generation of ships will need to integrate lasers, electromagnetic rail guns and other power-hungry weapons and sensors to take on peer competitors in the coming decades. However, integrating futuristic technologies onto existing platforms, even on some of the newer ships with plenty of excess power capacity, will still be an incredibly difficult engineering challenge, experts say. Capt. Mark Vandroff, the current commanding officer of the Carderock Division of the Naval Surface Warfare Center and the former Arleigh Burke-class destroyer program manager who worked on the DDG Flight III, told the audience at last week's American Society of Naval Engineers symposium that adding extra electric-power capacity in ships currently in design was a good idea, but that the weapons and systems of tomorrow will pose a significant challenge to naval engineers when it comes time to back-fit them to existing platforms. “Electrical architecture on ships is hard,” Vandroff said. Vandroff considered adding a several-megawatt system to a ship with plenty of power to spare, comparing it with simultaneously turning on everything in a house. “When you turn everything on in your house that you can think of, you don't make a significant change to the load for [the power company],” Vandroff explained. “On a ship, if you have single loads that are [a] major part of the ship's total load, [it can be a challenge]. This is something we had to look at for DDG Flight III where the air and missile defense radar was going to be a major percentage of the total electric load ― greater than anything that we had experienced in the previous ships in the class. That's a real technical challenge. “We worked long and hard at that in order to get ourselves to a place with Flight III where we were confident that when you turned things on and off the way you wanted to in combat, you weren't going to light any of your switchboards on fire. That was not a back-of-the-envelope problem, that was a lot of folks in the Navy technical community ... doing a lot of work to make sure we could get to that place, and eventually we did.” In order to get AMDR, or SPY-6, installed on the DDG design, Vandroff and the team at the DDG-51 program had to redesign nearly half the ship — about 45 percent all told. Even on ships with the extra electric-power capacity, major modifications might be necessary, he warned. “We're going to say that in the future we are going to be flexible, we are going to have a lot of extra power,” Vandroff said. “That will not automatically solve the problem going forward. If you have a big enough load that comes along for a war-fighting application or any other application you might want, it is going to take technical work and potential future modification in order to get there.” Even the powerhouse Zumwalt class will struggle with new systems that take up a large percentage of the ship's power load, Vandroff said. “Take DDG-1000 ― potentially has 80-odd megawatts of power. If you have a 5- or 6-megawatt load that goes on or off, that is a big enough percentage of total load that it's going to be accounted for. Electrical architecture in the future is still an area that is going to require a lot of effort and a lot of tailoring, whatever your platform is, to accommodate those large loads,” he said. In 2016, when the Navy was planning to install a rail gun on an expeditionary fast transport vessel as a demonstration, service officials viewed the electric-power puzzle as the reason the service has not moved more aggressively to field rail gun on the Zumwalt class. Then-director of surface warfare Rear Adm. Pete Fanta told Defense News that he wanted to move ahead with a rail gun demonstration on the JHSV because of issues with the load. “I would rather get an operational unit out there faster than do a demonstration that just does a demonstration,” Fanta said, “primarily because it will slow the engineering work that I have to do to get that power transference that I need to get multiple repeatable shots that I can now install in a ship.” https://www.defensenews.com/naval/2018/06/24/future-navy-weapons-will-need-lots-power-thats-a-huge-engineering-challenge/
February 21, 2020 | International, Aerospace, Naval
By: Vivek Raghuvanshi NEW DELHI — India on Wednesday cleared the purchase of 24 Sikorsky MH-60R naval multirole helicopters through the U.S. Foreign Military Sales program, according to a Ministry of Defence official. The acquisition, which is worth about $2.12 billion, was approved by India's top defense clearance body, the Cabinet Committee on Security, which is headed by Prime Minister Narendra Modi. The MoD had approved funds for the purchase in August 2018. The clearance comes ahead of a two-day visit to India by U.S. President Donald Trump beginning Feb. 24. The MoD official said a formal government-to-government contract for the MH-60R helicopters will be signed once cost negotiations are finalized. No timeline has been set, but delivery will take place three years after the contract is inked, he added. A previous attempt to buy naval multirole helos failed when the MoD canceled the planned purchase of 16 S-70B Seahawks from Sikorsky, a Lockheed Martin subsidiary, in June 2017 following expiry of the $1 billion price tag offer. The 2009 tender for 16 helos was sent to Sikorsky, NHIndustries, Airbus Helicopters and Russian Helicopters. The S-70B was selected over NHIndustries' NH90 helicopter in 2011; the other potential contenders did not participate. The cost of weapons was not included in the original program, but the recently approved deal for 24 MH-60Rs does include a weapons package, according to an Indian Navy official. The helicopters are to be armed with multi-mode radar, Hellfire missiles, Mark 54 torpedoes and precision-kill rockets. The Navy plans to use the helicopters for its front-line warships to replace its outdated British Sea King Mark 42 helicopters. They are also to be used in limited intelligence gathering roles, for surveillance missions, and in search and rescue efforts, the Navy official said, adding that the procurement of the helicopters is the top-most priority for the service. The helicopters are also expected to have the capability for conducting amphibious assault and anti-submarine warfare missions. https://www.defensenews.com/naval/2020/02/20/india-clears-212-billion-purchase-of-hellfire-equipped-naval-helicopters/