10 août 2020 | International, Aérospatial

USAF Stages ARRW Captive-Carry Test, Merges DARPA Payload

Steve Trimble

A U.S. Air Force B-52H on Aug. 8 completed the second and final instrumented measurement vehicle test flight of the Lockheed Martin AGM-183A Air-launched Rapid Response Weapon (ARRW), and the Air Force announced the payload for a previously separate risk-reduction program will be merged into the ARRW flight-test vehicles.

The latest trial by the 419th Flight Test Sqdn. (FLTS) at Edwards AFB, California, confirmed that the Navy's sea-range ground stations at Point Mugu, California, can receive transmissions of telemetry and GPS data from the instrumented measurement vehicle, the Air Force said in an Aug. 8 news release.

The second test appears to clear the Air Force to move forward with a series of powered test flights of the AGM-183A, beginning with a booster flight test before year-end.

“The entire team is excited to take the next step and begin energetic flight test of our first air-launched hypersonic weapons,” said Lt. Col. Michael Jungquist, commander of the 419th FLTS and director of the Global Power Bomber Combined Test Force.

The statement indicates that the Air Force has made a fundamental change to the original test plan for the Defense Department's only development program air-launched hypersonic glide vehicle (HGV).

When the Air Force launched the ARRW program in 2017, service officials expected to leverage flight-test data from the Tactical Boost-Glide (TBG) program, which is funded jointly by DARPA and the Air Force. The TBG and ARRW were expected to use a similar, if not identical, high lift-to-drag-ratio HGV. DARPA planned to complete flight tests of the TBG in 2019, so the performance data could be used to inform any changes necessary for ARRW, which completed the critical design review in February 2020.

The Air Force now acknowledges for the first time that DARPA has previously completed two captive-carry tests of the TBG demonstration system. Instead of continuing a separate series of flight tests, the TBG demonstration system “will be integrated into the ARRW payload,” the Air Force said.

“We are in a competition and must remain diligent in our efforts to stay ahead of our adversaries, who are vigorously pursuing similar weapon systems,” said Gen. Arnold Bunch, head of the Air Force Materiel Command.

It is not clear when the TBG captive-carry tests were staged, but the Aug. 8 event comes 416 days after the 419th FLTS completed a captive-carry test of the first instrumented measurement vehicle for the AGM-183A.

For the second test on Aug. 8, the Air Force loaded both AGM-183A captive-carry vehicles onto the inboard pylon of the left wing of a B-52 nicknamed “Dragon's Inferno.”
 Unlike the white-painted, first instrumented test vehicle, the second captive-carry version of the AGM-183A emerged in an operational, two-tone gray scheme, with the nose section painted a few shades darker than the booster section. The second instrumented measurement vehicle also was adorned with a new logo, featuring a skeletal figure firing an arrow over two Latin words, “celeri responsio,” which means “rapid response.”

The Air Force plans to fire the AGM-183A at the most heavily guarded targets, using the weapon's agility at hypersonic speed to evade missile defenses. The Air Force expects to field the first four AGM-183As by the end of fiscal 2022. The booster tests this year and next year will be followed by flight tests of the all-up round, including the release of the TBG-derived HGV payload, starting in October 2021.

“This capability will directly support our warfighters. Hypersonic weapons further enable the U.S. to hold any target at risk in any environment anywhere,” said Gen. Tim Ray, the head of Air Force Global Strike Command.

https://aviationweek.com/defense-space/missile-defense-weapons/usaf-stages-arrw-captive-carry-test-merges-darpa-payload

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  • Contract Awards by US Department of Defense - January 10, 2019

    11 janvier 2019 | International, Aérospatial, Naval, Terrestre, C4ISR, Sécurité

    Contract Awards by US Department of Defense - January 10, 2019

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U.S. TRANSPORTATION COMMAND Fourteen companies have been awarded Option Year 1 modifications under the following Category A III, indefinite-delivery/indefinite-quantity, fixed-price contracts: ABX Air Inc., Wilmington, Ohio (HTC711-18-D-C002); American Airlines, Fort Worth, Texas (HTC711-18-D-C003); Air Transportation International, Irving, Texas (HTC711-18-D-C004); Atlas Air of Purchase (HTC711-18-D-C005); Delta Air Lines Inc., Atlanta, Georgia (HTC711-18-D-C006); FedEx, Washington, D.C. 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Under Contract Line Item Numbers (CLIN) 0001, 0101, 0102, 0103, and 0105, the contractor will provide Poland Aegis Ashore Engineering Agent (AAEA) engineering and security support, AAEA test and site updates, risk mitigation support, and continued completion effort for the Aegis Ashore Poland site. The work will be performed in Redzikowo, Poland, with an expected completion date of December 2020. Fiscal 2018 defense-wide procurement funds in the amount of $17,637,800 are being obligated at the time of award. The Missile Defense Agency, Dahlgren, Virginia, is the contracting activity. NAVY MA Federal Inc.,* doing business as iGov, Reston, Virginia, is awarded a $22,238,503 firm-fixed-price task order from a previously awarded contract for the purchase of Small Form Factor suite production, acquisition, engineering management support, logistics, and sustainment support services. 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    2 août 2021 | International, Aérospatial, Naval, Terrestre, C4ISR, Sécurité

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  • Destroyers left behind: US Navy cancels plans to extend service lives of its workhorse DDGs

    10 mars 2020 | International, Naval

    Destroyers left behind: US Navy cancels plans to extend service lives of its workhorse DDGs

    By: David B. Larter WASHINGTON — In a move with sweeping consequences for the U.S. Navy's battle force, the service is canceling plans to add 10 years to the expected service lives of its stalwart destroyer fleet, a cost-savings measure that would almost certainly hamper plans to grow the size of the fleet. In written testimony submitted to the Senate Armed Services Committee, the Navy's Assistant Secretary for Research, Development and Acquisition James Geurts said performing service life extensions on Burkes designed to bring them up from 35-year hull lives to 45 years was not cost-effective. “Service life extensions can be targeted, physical changes to specific hulls to gain a few more years, or a class-wide extension based on engineering analysis,” the testimony read. “The Navy has evaluated the most effective balance between costs and capability to be removing the service life extension on the DDG 51 class.” The Navy's destroyers are the workhorses of the fleet, with sailors spending an average of one in every four days underway, the highest rate in the fleet, according a recent report from Defense News' sister publication Navy Times. The decision to ax the service life extensions for the Arleigh Burke class comes after years of assurances from Navy leaders that the destroyers would be modernized with an eye to growing the fleet over the coming decades. Navy leaders have offered assurances that the fiscal 2021 budget continues to grow the fleet despite its significant cuts to shipbuilding and existing force structure, but it is unclear how the fleet will continue to grow past the next five years if service life extensions on the earliest Burkes don't go forward right away. It would also seem to have significant impact on the current push from acting Secretary of the Navy Thomas Modly to grow the fleet to 355 ships in a decade. In its FY20 30-year shipbuilding plan, the Navy said extending the lives of the Arleigh Burkes was an imperative to growing the fleet to a battle force of 355 ships. Instead, the cancellation of the service life extensions means that between 2026 and 2034, the Navy is slated to lose 27 destroyers from its battle force. Those losses would compound the impact of cutting 10 ships from the five-year projections in the FY21 budget, including five of the 12 proposed Flight III Arleigh Burke-class destroyers from the FY20 budget and a Virginia-class attack submarine. The Defense Department has yet to submit its FY21 30-year shipbuilding plan, which means that it's impossible to tell how the Navy thinks these cuts would affect its total ship count in the years when it would lose Burkes at a rate of more than three per year. But the Burke retirements would begin in 2026 or 2027, years just after the service completed shedding 13 cruisers from its fleet, leaving just nine of the Navy's largest combatants in the fleet. In a statement, Capt. Danny Hernandez, spokesman for Geurts, said there are a lot of variables in getting the fleet to its goal of 355 ships, but that the Navy's top priority is keeping the recapitalization of its retiring Ohio-class ballistic missile submarines on track. “Like Navy leaders have stated during testimony, the tradeoffs were complex to get the right balance,” Hernandez said. Service lives According to a Naval Sea Systems Command document obtained by Defense News in 2018, the earliest Arleigh Burke destroyers — 27 so-called Flight I and early Flight II destroyers — have an expected hull life of 35 years. The lead ship, the Arleigh Burke, was commissioned in 1991, meaning its hull life is up in 2026. DDG-51 through DDG-78 — the Flight I destroyers — were commissioned between 1991 and 1999. Later models — Flight IIA — have 40-year hull lives. In 2018, then-Deputy Chief of Naval Operations for Warfare Systems Vice Adm. Bill Merz told USNI News that there were distinct advantages to upgrading the entire class, and that instead of just a combat systems modernization aimed at boosting ballistic missile defense systems, the ships would get the full hull and mechanical upgrades that would extend the ships out to 45-year service lives. “This is an HM&E [hull, mechanical and electrical] extension, but every destroyer is already in the modernization pipeline, so every destroyer will be modernized,” Merz said. “The modernization they receive that's already programmed may carry them through. “Obviously the threat's going to get a vote on that, but one of the beauties is instead of doing an individual ship-by-ship extension and extending the entire class, now we have the visibility to actually plan for that. We can pace it, plan it, fund it efficiently instead of one-and-done, one-and-done, one-and-done. We can be a lot more deliberate about how we handle this class.” In testimony that year, Merz said ballistic missile defense was the biggest requirement driving the retention of the DDGs to 45 years. Compounded with cuts to the Flight III destroyers, it seems likely that the Navy by 2034 will have a significantly reduced ballistic missile defense capability with at least 32 fewer ballistic missile defense-capable destroyers in the fleet, if this budget is enacted. When asked during its FY21 budget rollout if cutting five Flight III DDGs corresponds to a reduction in demand for ballistic missile defense-capable ships, Navy budget director Rear Adm. Randy Crites told reporters it was a decision based “strictly [on] affordability.” The Navy has in recent years declared the Arleigh Burke hull design maxed out, with the Flight III being packed to the gunwales with power and cooling to support the inclusion of Raytheon's SPY-6 air and missile defense radar. 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Clark recently authored a study with the Center for Strategic and Budgetary Assessments that called for canceling the DDG service life extensions. “It's crazy to throw good money after bad for a bunch of ships you say you don't need,” Clark said. “I think the Navy is coming to grips with the fiscal realities; the unsustainable nature of their current plan; and the recognition it is going to have a need for fewer large surface combatants in the future and needs to husband its resources to build a larger fleet of smaller surface combatants. Those are going to be the bulk of the distributed force they intend to have.” https://www.defensenews.com/naval/2020/03/07/destroyers-left-behind-us-navy-cancels-plans-to-extend-service-lives-of-its-workhorse-ddgs/

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