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  23 janvier 2019 | International, Aérospatial, C4ISR

  US spy satellite launched into orbit from Vandenberg Air Force Base

  By: The Associated Press VANDENBERG AIR FORCE BASE, Calif. — A powerful Delta 4 Heavy rocket carrying a U.S. spy satellite lifted off Saturday from California. The rocket propelled the National Reconnaissance Office satellite from Vandenberg Air Force Base at 11:10 a.m. Pacific time, arcing over the Pacific Ocean west of Los Angeles as it headed toward space. The outer boosters of the rocket separated about four minutes into flight, followed shortly by separation of the central first-stage booster and successful ignition of the upper stage. As is customary with classified payloads, United Launch Alliance webcast the liftoff only until the aerodynamic fairing covering the payload was discarded. Details of the mission, dubbed NROL-71, were not released. The launch had been repeatedly delayed since late last year for various reasons including a hydrogen leak, high winds and a problem with ground communication equipment. The National Reconnaissance Office is responsible for U.S. intelligence satellites. United Launch Alliance is a joint venture of Lockheed Martin and Boeing. The Delta 4 Heavy stands 233 feet (71 meters) tall. https://www.airforcetimes.com/news/your-air-force/2019/01/20/us-spy-satellite-launched-into-orbit-from-vandenberg-air-force-base/

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  30 octobre 2019 | International, Naval

  Queen Liz: Behind the scenes on Britain’s newest aircraft carrier

  by Matt Haskell The British Royal Navy's largest ever warship and newest aircraft carrier, HMS Queen Elizabeth, arrived in Halifax, N.S., on Sept. 12 as part of an historic tour of Canada and the United States The ship is currently participating in a joint three-month exercise to facilitate the arrival of the first British-owned F-35B Lightning II fighter jets, which have short takeoff/vertical landing capability. On Oct. 17, Skies embarked on the state-of-the-art ship in Atlantic waters, just off the Florida coast, for a behind-the-Fscenes view of the historic events. The exercise, dubbed WESTLANT 2019, saw Queen Liz (as she is lovingly referred to by those who sail her) joined by her fellow ships HMS Dragon, HMS Northumberland, and RFA Tideforce, together forming a cohesive Carrier Strike Group. The exercise aims to simulate, test, and evaluate the group's ability to perform the operations and techniques utilized in combat operations. Not only did the ships operate as a group amongst themselves in a British capacity, but at times they would separate and join an American carrier group to demonstrate allied co-operation and interoperability. Further signalling close relations with her allies, the carrier and most of the strike group made an historic first visit to Canada, making Halifax, N.S., Queen Liz's first port of call after crossing the Atlantic. Not only did this visit demonstrate the Royal Navy's close relationship with the Commonwealth nation, but it also showed a high level of regard for one of Canada's oldest dockyards and a key Allied port during the Second World War. Today, Halifax is the home of Maritime Forces Atlantic (MARLANT), the eastern base of operations for the Royal Canadian Navy. Fleet commander for the Royal Navy, VAdm Jerry Kyd, who also was Queen Elizabeth's first captain, further emphasized the importance of this alliance. “We all recognize that the security of the world isn't getting any easier. This reinforces the needs for the fundamental alliances like NATO and bilaterals around the world, but acting in coalition. This ship embodies much of that; embarked today on board are many nationalities from across the Commonwealth, including Canadians. So, we're very proud that there's an alchemy that is coming together here in the British carrier program that is across the Commonwealth and it's fantastic. I think it reinforces these links that are so vital as we face down the challenges we will inevitably face in the coming decades.” British F-35Bs The other primary purpose of WESTLANT 2019, however, is the very first arrival and deployment of British F-35B aircraft. Until the first U.K. fighter landed on Oct. 13, Queen Liz had only fielded jet aircraft during her previous WESTLANT exercise in 2018, when American Marine Corps F-35B jets validated the developmental concepts of the ship through more than 500 successful takeoffs and landings. For this year's exercise, Queen Liz would be joined by jets from 617 Squadron “Dambusters” and 17 Test and Evaluation Squadron. Pilots from the newly stood up 207 Squadron have also embarked to further their training and operational preparations. For the United Kingdom, the ship heralds the return of fixed-wing aviation to the Royal Navy and the Fleet Air Arm. British F-35B aircraft have been undergoing testing along with pilot training in the United States, and just this year have begun moving pilot training to the U.K. To facilitate that program, 207 Squadron was reactivated at RAF Marham with jets previously used at Marine Corps Air Station Beaufort in the U.S. 207 Squadron is the third F-35 squadron for the country, alongside the fully operational 617 Squadron. Testing of the fighters continues in the United States with the 17th Test and Evaluation Squadron at Edwards Air Force Base in California. Carrier Air Group commander James Blackmore, who in 2009 flew the final flight of a Harrier from the last British carrier, the HMS Ark Royal, was enthusiastic about the upgrade. “The level of capability is decades on from where we were. What one aircraft can do now . . . you can deliver what would've taken four to eight aircraft in the past. Marrying that with the HMS Queen Elizabeth, a fifth-generation carrier designed purely for the F-35, you've got a marriage made in heaven.” Unlike other aircraft carriers of the world, Queen Liz is arriving on the scene as the first fifth-generation carrier, touting incredible autonomy and a light crew. Compared to her similar-sized American Nimitz and Ford class counterparts, which operate crews of around 4,000 strong, Queen Liz sails on a minimum crew of only 800, rising to around 1,400 with air wing and other specialty staff embarked. Various autonomous aspects of the ship include a fully automated weapons storage system very similar to those found in storage warehouses. Software controlled, robotic platforms and racks within the ship move bombs and ammunition from magazines to the flight deck and hangar bay with only the tap of a screen. The usage of the system is the first of its kind in a maritime application, and it greatly reduces the time and number of crew needed to safely transfer and arm aircraft. The ship herself, and her operations, are quite unique. Featuring minimal personnel on deck, flight operations take place utilizing a system of colour-coded uniforms and are controlled from the ship's second island. Unlike American carriers, Queen Liz features two islands as a redundancy. When in normal operation, the rear island controls flight operations while the other controls the ship itself. Radio communications are relayed between the deck personnel and the islands have large LED information boards showing what is occurring. These boards display information such as flight time, aircraft number, landing/launch site, and direction of flight. The ship, her crew, and her strike group are readying for their first operational deployment in 2021, which will see the full embarkation of a U.S. Marine Corps F-35B squadron, the very first allied deployment of its kind for either nation. This deployment will set sail for the Mediterranean Sea, the Persian Gulf, and ultimately end up in the Pacific before returning to the U.K. https://www.skiesmag.com/news/queen-liz-behind-the-scenes-on-britains-newest-aircraft-carrier

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  12 mars 2019 | International, C4ISR

  The Army hopes a new satellite will help alleviate congestion

  By: Adam Stone The U.S. Air Force is expected to launch the next satellite in its Wideband Global SATCOM (WGS) program as early as March 13, a move that will bolster the military's foundational communication network. The addition comes at a time when the military is under increasing pressure to build up its communication capacity as tactical battlefield sensors and other data feeds create the need for added throughput. “The more data we use, the more congested it gets. Having more satellites gives us greater capability to deliver more information in a hurry,” said Army's Lt. Col. Anthony Whitfield, Product Manager, Wideband Enterprise Satellite Systems (PdM WESS). WGS is the military's fundamental communications network and has an estimated cost of about $4 billion, according to the Government Accountability Office. The system of 10 satellites, built by Boeing, provides bandwidth and communications for tactical C2, C4ISR, battle management and combat support information. While WGS-10 was originally slated to complete the constellation, it now seems likely more satellites may come. In the most recent omnibus spending bill, Congress appropriated funding for two additional WGS satellites, although SpaceNews reported there are questions about funding the launch of those payloads. Should those future satellites come to fruition, Army leaders would have no complaints. In addition to fielding the ground control units that operate the constellation, “the Army is also one of the biggest users of WGS, and anything that can help us to deliver information across the globe for our senior leaders to make decisions -- we would welcome that,” Whitfield said. In fact, the Army has taken steps lately to bolster its own operation capacity around WGS. In 2018 the Army's Cyber Center of Excellence unveiled a wideband training and certification system (WTCS), for students enrolled in the school's Satellite Systems Network Coordinator Course. Soldiers training to staff the Army's wideband satellite communications operations centers (WSOC) located at five military installations worldwide, can use the system to leverage classroom learning against simulations generated from real-world events. “By using [that training system] to ‘train how we fight,' WSOC operators will be better prepared to deliver their 24/7, no-fail mission to enable satellite communications for our Warfighters. It is all about operational readiness, the Army's number one priority,” said Col. Enrique Costas, the Program Manager for Defense Communications and Army Transmission Systems, in announcing the new training tool. The Army's focus on supporting WGS falls in line with an overall military emphasis on the importance of satellite communications. “We must continue to build a robust SATCOM network that includes our allies and partners and leverages commercial SATCOM industries to integrate, synchronize, and share global SATCOM resources,” Air Force Gen. John Hyten, the head of U.S. Strategic Command, told the House Armed Services Strategic Forces Subcommittee in 2018. “Our protected wideband communications are essential for allowing the warfighter to communicate in contested environments.” New capacity WGS-10 also will bring with it a more sophisticated payload, with more robust communications capabilities. “It provides the bandwidth to transfer your data ― that hasn't changed ― but we are always looking to move that data faster,” Whitfield said. “When we originally built WGS 1, 2 and 3 they were built to certain specs, they provided a certain capacity. Over time it has gotten better. We moved forward, we have continued to build additional capacity.” For security reasons, Army leaders have not disclosed the exact nature of the latest enhancements. In addition to supporting American forces, the enhanced networking capability will be leveraged by a coalition of allied forces that support the WGS constellation, including Canada, Denmark, Luxembourg, the Netherlands and New Zealand. Looking ahead, SATCOM analysts have said that the congressional nod toward WGS 11 and 12 could shift the dynamic away from commercial satellite providers, who have long been angling for a bigger piece of the military space market. It remains to be seen, though, whether and how the Pentagon will decide to pursue future WGS acquisitions. “There has been an analysis of alternatives for what's next. That analysis has been conducted and we are awaiting further guidance. Right now, we don't know what is next,” Whitfield said. https://www.c4isrnet.com/c2-comms/satellites/2019/03/08/the-army-hopes-a-new-satellite-will-help-alleviate-congestion