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  November 20, 2019 | International, Aerospace

  B-21 Program Hits Schedule Pressure Even On ‘Conventional Trajectory’

  Steve Trimble As the first B-21 enters final assembly in Palmdale, California, the Northrop Grumman-led program is on track to hit a first-flight target in two years, although the first signs of schedule pressure have appeared. Most of the details of the U.S. Air Force's newest stealth bomber remain a tightly guarded secret, but those facts released show the program is following a conventional trajectory despite being managed by an organization with the word “rapid” in its title. The Air Force announced completion of the critical design review in December 2018 in the standard three years after Northrop Grumman won the engineering and manufacturing development contract. The target for the first flight milestone stayed secret until July , when Gen. Stephen Wilson, the Air Force's vice chief of staff, stated publicly—and with remarkable specificity—that the milestone was 863 days away. Wilson offered that timetable on July 25, suggesting the targeted date is around Dec. 3, 2021. SCO leader says earliest flight would be in December 2021 Public rollout event expected in Palmdale, California The final piece of the publicly acknowledged schedule is that the first B-21 entered the early stages of final assembly around September in Palmdale, presumably within Northrop's Site 4 manufacturing complex and perhaps inside Building 401 in the same assembly bay that once housed the B-2. To hit Wilson's first-flight target, Northrop's staff must complete assembly of the first aircraft, stage a public rollout event and perform necessary ground testing within about two years. But Wilson's first-flight target may already be under pressure. His description made the December 2021 date seem like a fixed schedule milestone typical of most major defense acquisition programs. Randall Walden, who leads the Rapid Capabilities Office assigned to lead the B-21 program, describes Wilson's timing as closer to a schedule goal than a deadline. Walden recast the target as the “earliest possible” date for first flight, which he has little confidence the program will achieve. “I would not bet on that date,” Walden told an audience at a Capitol Hill Club breakfast on Oct. 24 organized by the Air Force Association. The comment is a rare cautionary note among otherwise glowing descriptions of the B-21 program by officials cleared to know the status of the development program. In March 2018, Rep. Rob Wittman (R-Va.) reported concerns about the design of the engine inlet, citing an internal dispute between Northrop and engine supplier Pratt & Whitney's engineers. Twelve months later, Wittman confirmed that the inlet design problem had been resolved. The program has since received only glowing assessments by Air Force leaders, including a statement in October by Chief of Staff Gen. David Goldfein that the B-21 ranks at the top of his list of successful acquisition projects. Despite those assurances, transitioning a new aircraft from a paper design into manufactured hardware is a challenging phase for any program. Large pieces of the first aircraft are now in assembly. “We're working a production line, literally, today,” Walden says. An official artist's rendering shows the B-21 shares the all-wing profile of the B-2, minus the latter's distinctive sawtooth trailing edge. The Air Force's acquisition strategy also focused on minimizing risk by relying as much as possible on available technology. But a modern bomber with the B-21's mission to penetrate into highly contested airspace is still anything but a simple project. “It is a complex airplane. I'll leave it at that,” Walden says. Walden expects the Air Force to stage a public rollout event in Palmdale when the aircraft is ready. For the B-2, the rollout was staged seven months before the first flight. If the B-21 stays to the same schedule, the unveiling could come as early as May 2020. But Walden adds that includes several big “ifs.” “Like anything, building a complex system could add those schedule pressures,” Walden says. “We've got to bring parts together, got to assemble it and get it stuffed with the right avionics, get the landing gear on it, all the things that go along with an airplane.” Any schedule pressure facing the B-21 would not surprise Frank Kendall, the former undersecretary of defense for acquisition, technology and logistics. Kendall led the shaping of the acquisition strategy for the B-21. In a recent interview, he recalled pushing back against attempts by the Air Force to award a firm, fixed-price contract instead of a more flexible cost-plus arrangement, which is generally applied to acquisition projects with a higher risk. “When I looked at . . . the actual content of the program, I [was] so glad I told [the Air Force to use cost-plus],” Kendall says. “It's not risk-free. I'll be amazed if they get this thing in on schedule and on cost. But it was designed to have a reasonable chance of success.” An independent estimate by the Defense Department assessed the cost of the engineering and manufacturing development phase at $21.4 billion, with follow-on production of at least 80-100 bombers worth up to $60 billion more. The Air Force has budgeted $5.9 billion over the next five years to pay for the first operational aircraft, with low-rate initial production possibly beginning in fiscal 2023. “There are a lot of things that have to happen between now and a couple of years,” Walden says. https://aviationweek.com/defense/b-21-program-hits-schedule-pressure-even-conventional-trajectory

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  June 25, 2020 | International, Aerospace, C4ISR

  Senate bill would add $120M for hypersonic tracking satellites

  Nathan Strout The Senate's annual defense policy bill would authorize an additional $120 million toward a space-based sensor layer capable of tracking hypersonic weapons, despite the fact the Department of Defense did not seek more funding for the project in its fiscal 2021 budget requests. The Hypersonic and Ballistic Tracking Space Sensor is DoD's answer to the growing threat posed by hypersonic weapons being developed by China and Russia. Hypersonic weapons present a significant challenge to the United States' current missile warning architecture. Not only can these weapons maneuver around ground based sensors, they're too dim to be picked up and tracked by space-based sensors in higher orbits. HBTSS theoretically solves this problem via a proliferated constellation of Overhead Persistent Infrared (OPIR) sensors operating in low earth orbit. At that lower orbit, the sensors will be able to pick up and track the otherwise dim objects. But because the satellites are closer to the earth and have a limited field of view, the system will need to pass off custody responsibility from sensor to sensor as the weapons traverse the globe. Hence the need for a proliferated constellation. HBTSS will plug into the Space Development Agency's National Defense Space Architecture, a new system of satellites operating in low earth orbit. The Missile Defense Agency awarded $20 million contracts to four companies in October to develop HBTSS prototypes: Northrop Grumman, Leidos, Harris Corporation and Raytheon. The Senate's version of the National Defense Authorization Act would authorize the Missile Defense Agency $120 million in research, development, testing and engineering funds for HBTSS. If passed, this would be the second consecutive year the department did not include money for HBTSS in its annual budget request, but Congress allocated money for the project anyway. In 2019, MDA put the program at the top of its unfunded priority list, seeking $108 million for that effort. Congress fully funded that request in the legislation that passed in December. The decision to give the HBTSS funding to the Missile Defense Agency in fiscal year 2021 continues a 2019 battle between the administration and Congress over which agency should lead the program's development effort. While lawmakers wanted to place MDA firmly in charge of the effort, the White House argued that it was too soon to put one agency in charge. Ultimately, Congress included a provision putting primary responsibility for the development and deployment of the system in MDA's hands. Just three months after that legislation passed, lawmakers expressed frustration and confusion over MDA's FY2021 budget request, which sought to transfer HBTSS funding responsibility to SDA. While MDA Director Vice Adm. Jon Hill tried to assure legislators at the March hearing that his agency was fully in charge of developing the sensor for HBTSS, skepticism has continued. According to Hill, funding for the effort would be allocated to SDA, who would in turn provide the funding to MDA. As currently drafted, the legislation de facto rejects DoD's request to transfer funding responsibility to SDA. Furthermore, it specifically assigns principal responsibility for the development and deployment of HBTSS through the end of FY2022, after which it may be transferred over to the U.S. Space Force. It's not the only legislative proposal emphasizing Congress' desire for MDA to be in charge of the system. The House version of the FY2021 defense bill made public in June asks for the Secretary of Defense to certify that MDA is indeed in charge of HBTSS. According to a defense official, Under Secretary of Defense for Research and Engineering Michael Griffin sent a letter signed May 29 certifying that MDA was in charge of payload development. Griffin has since resigned, stating that he has received an opportunity to work in the private sector. The Senate version requires on orbit testing of HBTSS to begin by December 31, 2022, with full operational deployment as soon as technically feasible. https://www.c4isrnet.com/battlefield-tech/space/2020/06/24/senate-bill-adds-120m-for-hypersonic-tracking-satellites/

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  July 25, 2023 | International, Naval

  3rd U212 NFS Unit Commitment Signed

  The activation of the NFS3 Contract Option represents another major step towards the progressive development of the NFS Programme