U.S. Air Force Is Retiring Its Mobility Trainer

On the same subject

• 

  August 22, 2019 | International, Aerospace

  B-21 Development Applying Tough Lessons From B-2

  By Lee Hudson PALMDALE, California— The U.S. Air Force is taking lessons learned from the plagued B-2 Spirit bomber development program and applying them to the next-generation B-21 Raider. While it is unknown when the B-2 will retire, the aging stealth bomber may end up flying alongside the B-21. The B-2 bomber flew its inaugural flight 30 years ago from the Plant 42 runway here. Today, the Northrop Grummansite is preparing for development of the Raider and two newly erected beige buildings have popped up, likely tied to the next-generation bomber. Although technical and acquisition problems inundated B-2 development, the classified B-21 is taking a different approach. Many details remain classified, but the company and service officials acknowledge the team is being run by the Rapid Capabilities Office instead of a traditional program office. B-21 development appears to be progressing; the Air Force's No. 2 officer—Air Force Vice Chief of Staff Gen. Stephen Wilson—has said first flight is slated for December 2021. But House Armed Services seapower and projection forces subcommittee Ranking Member Rep. Rob Wittman (R-Va.) alerted the public last year that there was a problem with the inlet design for the B-21's Pratt & Whitney-manufactured engines. Wittman says those issues were fully addressed and the program has made tremendous progress. “I've been pretty impressed by what both the Air Force and what Northrop Grumman have done in addressing these particular issues and I think we're on the right course,” he says. “Getting those things right to begin with and setting the tone and path I think is critically important.” An Air Force illustration issued in 2016 of the B-21 design suggests it may closely resemble the B-2. “The B-2 will be setting the path course for the B-21,” says Janis Pamiljans, aerospace systems sector president at Northrop Grumman. “What we've learned on B-2 are finding themselves baselined in the design for B-21 for supportability, sustainability, [and] mission capable rate.” The aging B-2s must be overhauled every nine years and are taken off the flight line for up to 12 months. Maintenance includes modifications and upgrades to antenna technology, avionics and software systems, costing U.S. taxpayers an average of $60 million for each aircraft, says Richard Sullivan, vice president and B-2 program manager at Northrop Grumman. Separately, the Air Force is funding the $3 billion B-2 Defensive Management System Modernization (DMS-M) program to enhance the aircraft's direct attack capability and upgrade its integrated air defense systems. The current DMS was designed in the 1980s and has not received any upgrades. “By leveraging ‘state-of-the-art' electronic warfare antennae, processors, controller and displays, B-2 aircrews will realize unprecedented situational battlespace awareness and dynamic, real-time threat avoidance in the most complex radio frequency emitter environments,” the Air Force says. “The inherent increased sensitivity of the modernized DMS over the legacy system, with increased processing power, will build a battlespace picture that could be shared with joint force platforms by onboard communication systems.” DMS-M is facing a possible eight-month delay as the service works with Northrop Grumman to implement an agile software development framework, Air Force acquisition executive Will Roper told lawmakers in March. Engineering and manufacturing development for the effort goes through July 2022, according to fiscal 2020 budget documents. Lawmakers acknowledge it is important that the nation's only operational stealth bomber remain relevant. But the House Armed Services Committee is concerned about DMS-M schedule delays, according to a report accompanying the lower chamber's mark of the fiscal 2020 defense policy bill. “Unless the B-2 DMS-M program makes significant changes, there may continue to be delays that will impact the success of the program,” the report says. The committee directs the Air Force to brief members on sufficient government software development expertise; contract definitization schedule; delivery schedule; determination of software baseline; and an assessment of related DMS-M-related program support. The Senate Armed Services Committee also is asking for answers regarding the U.S. bomber force. The upper chamber is requesting a brief on an updated bomber road map and plans for B-2 life cycle sustainment, among other items, according to a report accompanying the Senate's mark of the fiscal 2020 defense authorization bill. The upper chamber also would require details on Raider basing. To date, the service has been “real[ly] happy with the way Northrop has approached” the B-21 program, says Maj. Gen. James Dawkins, Eighth Air Force commander and overseer of the Joint-Global Strike Operations Center. The next-generation bomber completed a successful critical design review in December. “Everything I hear is that cost, schedule and performance is right on expectations,” Dawkins says. https://aviationweek.com/defense/b-21-development-applying-tough-lessons-b-2

• 

  April 27, 2018 | International, Aerospace

  Companies unveil Eurodrone model at Berlin Air Show

  By: Sebastian Sprenger BERLIN ― Airbus, Dassault and Leonardo have revealed the first full-scale model of an envisioned European drone at the Berlin Air Show, upping the the visibility ― and scrutiny ― of a project meant to epitomize the continent's growing military profile. Thursday's mock-up unveiling was orchestrated with big fanfare on the tarmac of Schönefeld airport south of the German capital. Featuring climactic music, lights and dissipating smoke, the ceremony organizers were lucky enough to catch a momentary break between a hefty mix of rain showers, sunshine and wind gusts, considered typical April weather here. The medium-altitude, long-endurance aircraft rides on a twin-turboprop propulsion system and will come in a strike-capable configuration when it reaches the actual flying stage in the mid-2020s. Germany, France, Italy and Spain have a hand in the program, though only the first three are considered the principal main industry partners, with Germany's Airbus in the lead. Notably, companies are building the unmanned plane so it can operate immediately in the dense European airspace. Past practice of first acquiring a drone and later worrying about requisite certifications has proven to be problematic, especially for the Germans. The mock-up is based on a vehicle configuration agreed by the partner nations in mid-2017. In January, the program passed a systems requirements review, prompting another study phase that should last through 2018 and lead to another milestone, a “system preliminary design review,” the companies wrote in a statement. “While still a lot of work lies ahead of us, this full-scale model represents a first milestone of what Europe can achieve in a high-technology sector if it bundles its industrial strength and know-how,” said Dirk Hoke, CEO of Airbus Defence and Space. Hoke told reporters he views the approach to the drone as a learning experience for a new combat aircraft development that is on the horizon between Germany and France. In addition, he told Defense News there is some hope of redemption for problem-plagued projects of the past. For example, the European drone will come in one base configuration for all the countries that users can then move to expand, avoiding too many separate build types that came to haunt the A-400M, Hoke said. “This is a chance to prove that we can work in a different way together,” he said. One of the configurations will entail a strike package, though officials said they had yet to think about the particulars of that mission set. In an apparent nod to Germany, Hoke told Defense News that the combat capability would depend on political sensitivities in each user nations, and that customers can opt to solely install the reconnaissance features. Armed drones are a thorny subject in Germany, as the weapons conjure up images of the U.S. government's targeted killing of suspected terrorists, which many in the country reject. By the time the issue of armaments comes up for the Eurodrone, however, there may already be a resolution. That's because upcoming parliamentary decisions could lead to Germany's first-ever armed drone, the Heron TP, leased through Airbus from Israel. https://www.defensenews.com/industry/techwatch/2018/04/26/companies-unveil-eurodrone-model-at-berlin-air-show/

• 

  July 22, 2019 | International, Aerospace, Naval, Land, C4ISR, Security, Other Defence

  US Army commissions ‘world’s largest 3D printer’

  3D Systems and the National Center for Manufacturing Sciences (NCMS) have been awarded a US$15 million contract by the Combat Capabilities Development Command Army Research Laboratory (ARL) to create what they say will be the ‘world's largest, fastest, and most precise metal 3D printer'. The machine will be used for long-range munitions, combat vehicles, helicopters, and air and missile defense applications, the company said. According to the US Army, it already uses additive manufacturing (AM) to refurbish worn parts and create custom tools. Plans are to develop large-scale systems for installation in its depots and labs. Subsequently, 3D Systems and its partners also aim to make the new 3D printer technology available to aerospace and defense suppliers. The printer's build envelope is planned to be 1000 mm x 1000 mm x 600 mm, with ability to build minimum wall thickness of 100 µm and layer thickness of 30 µm. This is a significant increase over current large-scale metal 3D printers with a build envelope of 500 mm x 500 mm x 500 mm, 3D Systems said. 'Up until now, powder bed laser 3D printers have been too small, too slow, and too imprecise to produce major ground combat subsystems at scale,' said Dr Joseph South, ARL program manager. 3D Systems also plans to integrate the new technologies and processes into its existing range of 3D printers. https://www.materialstoday.com/additive-manufacturing/news/us-army-commissions-worlds-largest-3d-printer/