{
  "edition": "1.0",
  "evidence_cutoff": "2026-09-12T16:07:30Z",
  "sources": [
    {
      "id": "k01",
      "publisher": "Department of the Air Force / WHS",
      "title": "KC-46A FY2027 President’s Budget MSAR",
      "url": "https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/Selected_Acquisition_Reports/PB_2027_MSARs/KC46A_MSAR_FY2027_PB_cleared.pdf",
      "document_date": "2026-04-21",
      "locator": "PDF/printed pp. 8–12 (IOC, deliveries, upgrades, proposed APB); 13–15 (history and schedule); 17 (availability); 19 (refueling limits); 23–24 (WARPs); 26, 28 (cost/quantity comparisons); 30 (funding crosswalk); 38–39 (BTAR); 44 (production contracts); 49 (LRIP); 50–51 (delivery, financial summary and withheld fielding); 52–53 (foreign sales).",
      "reviewed_at": "2026-09-12",
      "pdf_page": 8,
      "original_receipt": {
        "receipt_filename": "kc46-msar-pb2027.pdf",
        "sha256": "9528c23f77fbbb4ee96e9a130895bb074e5e99155667d0dd4eee37317f0c46f6",
        "retrieved_at": "2026-09-12T13:55:58.048821+00:00",
        "http_last_modified": "Tue, 18 Aug 2026 15:58:09 GMT"
      },
      "access_note": "Fresh direct recheck returned 403. Reviewed the preserved earlier same-day official PDF, including table page images. Cover effective April 21; contract reporting dates include May 13–14. HTTP Last-Modified August 18 is not a proven publication date."
    },
    {
      "id": "k02",
      "publisher": "U.S. Government Accountability Office",
      "title": "KC-46 Tanker Modernization: Delivery of First Fully Capable Aircraft Has Been Delayed over One Year — GAO-17-370",
      "url": "https://www.gao.gov/assets/gao-17-370.pdf",
      "document_date": "2017-03-24",
      "locator": "PDF p. 8 / printed p. 5: original RAA package, August 2017 obligation and $4.9bn development ceiling. PDF pp. 11–12 / printed pp. 8–9, Table 2: original February 2011 and January 2017 schedule comparison.",
      "reviewed_at": "2026-09-12",
      "pdf_page": 8,
      "access_note": "Official PDF read through browser retrieval; direct HTTP recheck returned 403."
    },
    {
      "id": "k03",
      "publisher": "Director, Operational Test & Evaluation",
      "title": "FY2025 Annual Report — KC-46A chapter",
      "url": "https://www.dote.osd.mil/Portals/97/pub/reports/FY2025/Other/2025Annual-Report.pdf",
      "document_date": "2026-03",
      "locator": "PDF pp. 247–249 / printed pp. 236–238: IOT&E timing, 85% of planned flight-test data, 26 of 27 candidate receiver types with restrictions, below-threshold suitability and deferred final assessment. Retrospective FY2025 coverage; its 183-aircraft description differs from the later MSAR.",
      "reviewed_at": "2026-09-12",
      "pdf_page": 247,
      "original_receipt": {
        "receipt_filename": "dote-fy2025.pdf",
        "sha256": "b684f515b0471b2616ec8961f64c4987b7d9b7965fbf6e7d051d1f832483c550",
        "retrieved_at": "2026-09-12T13:56:19.890777+00:00",
        "http_last_modified": "Fri, 20 Mar 2026 14:16:12 GMT"
      },
      "access_note": "Reviewed preserved same-day primary PDF. Browser full-PDF fetch hit a size limit; no claim of a fresh complete download."
    },
    {
      "id": "k04",
      "publisher": "U.S. Government Accountability Office",
      "title": "Weapon Systems Annual Assessment — GAO-26-108457",
      "url": "https://www.gao.gov/assets/gao-26-108457.pdf",
      "document_date": "2026-07",
      "locator": "PDF p. 101 / printed p. 89: January 2026 status, 173 procured / 101 delivered, unmet RAA, subsystem redesigns and up-to-75-aircraft production extension. PDF p. 32 / printed p. 20 distinguishes IOC from RAA.",
      "reviewed_at": "2026-09-12",
      "pdf_page": 101,
      "original_receipt": {
        "receipt_filename": "gao-26-108457.pdf",
        "sha256": "f9afddd66fcaefe7c6f91dcf644a836a6b971fb792217c601cbc3d37adaac610",
        "retrieved_at": "2026-09-12T13:56:12.343318+00:00",
        "http_last_modified": "Thu, 02 Jul 2026 11:14:28 GMT"
      },
      "access_note": "Reviewed the preserved same-day primary PDF; January status is not September inventory."
    },
    {
      "id": "k05",
      "publisher": "U.S. Government Accountability Office",
      "title": "Aerial Refueling Tankers — GAO-26-109154",
      "url": "https://files.gao.gov/reports/GAO-26-109154/index.html",
      "document_date": "2026-06-10",
      "locator": "Sections “Air Force’s Availability and Capability Metrics,” “The Air Force Does Not Have a Complete Picture of Its Aerial Refueling Fleet’s Ability to Meet the Refueling Mission” and Figure 3 notes. January 2025 reporting-rule change; annual averages versus early-March snapshot; specific annual rates omitted from this public version.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official public HTML retrieved directly and read through browser retrieval. Does not provide the nonpublic annual-rate data."
    },
    {
      "id": "k06",
      "publisher": "Air Mobility Command / 22nd Air Refueling Wing",
      "title": "KC-46 Delivery — A milestone flight and a final farewell",
      "url": "https://www.amc.af.mil/News/Article-Display/Article/4460441/kc-46-delivery-a-milestone-flight-and-a-final-farewell/",
      "document_date": "2026-04-13",
      "locator": "Opening body paragraphs: April 3 arrival; crew’s mission was to accept the Air Force’s 105th KC-46A. April 13 is publication, not delivery date.",
      "reviewed_at": "2026-09-12",
      "access_note": "Read official page through browser retrieval; direct recheck returned 403."
    },
    {
      "id": "k07",
      "publisher": "Secretary of the Air Force Public Affairs",
      "title": "Air Force announces next tanker aircraft",
      "url": "https://www.amc.af.mil/News/Article-Display/Article/145902/air-force-announces-next-tanker-aircraft/",
      "document_date": "2011-02-25",
      "locator": "Opening paragraph: EMD contract over $3.5bn; concluding program description: four initial aircraft, 179 planned, first 18 by 2017. The February 24 award date is also preserved in MSAR p. 44.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official browser retrieval."
    },
    {
      "id": "k08",
      "publisher": "Secretary of the Air Force Public Affairs",
      "title": "Air Force, Boeing agree on final KC-46 RVS 2.0 design",
      "url": "https://www.af.mil/News/Features/Article/2135364/air-force-boeing-agree-on-final-kc-46-rvs-20-design/",
      "document_date": "2020-04-02",
      "locator": "Paragraphs beginning “The first MOA” and “RVS 2.0 will include”: redesign/retrofit at no additional government cost and initial fielding goal of 2023. Separate second MOA releases $882m previously withheld payments; not a new procurement award.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official browser retrieval."
    },
    {
      "id": "k09",
      "publisher": "Air Mobility Command Public Affairs",
      "title": "KC-46A cleared for worldwide deployments following first combat refuel",
      "url": "https://www.af.mil/News/Article-Display/Article/3163982/kc-46a-cleared-for-worldwide-deployments-following-first-combat-refuel/",
      "document_date": "2022-09-20",
      "locator": "Opening: worldwide deployment approval effective September 14. Body paragraphs on employment exercise: operationally tasked combat refueling of F-15Es; 206 flight hours, 1.46m pounds offloaded to 66 aircraft.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official browser retrieval. Release does not close subsequent operational-test deficiencies."
    },
    {
      "id": "k10",
      "publisher": "Secretary of the Air Force Public Affairs",
      "title": "Air Force, Boeing accelerate KC-46 upgrades to target readiness",
      "url": "https://www.af.mil/News/Article-Display/Article/4484901/air-force-boeing-accelerate-kc-46-upgrades-to-target-readiness/",
      "document_date": "2026-05-12",
      "locator": "“Repurposing early-built aircraft,” “Accelerating RVS 2.0 Retrofits,” and “Implementing Performance-Based Logistics”: five early-build aircraft; RVS fielding scheduled early 2028; retrofit plan 13 to seven years; proposed temporary logistics effort. Claimed availability gains are forecasts, with no public calculation baseline.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official browser retrieval; direct recheck returned 403. More recent fielding forecast than MSAR’s late-2027 capability-release estimate."
    },
    {
      "id": "k11",
      "publisher": "Boeing",
      "title": "KC-46 Program completes first phase of Remote Vision System 2.0 flight testing",
      "url": "https://www.boeing.com/features/2026/06/boeing-s-kc-46-program-completes-first-phase-of-remote-vision-system",
      "document_date": "2026-06-03",
      "locator": "Opening and “Why completion of initial flight-testing matters”: first phase tested on modified test aircraft, certification and delivery still ahead. Company-reported test progress, not independent operational certification.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official corporate primary report read through browser retrieval and direct HTML retrieval."
    },
    {
      "id": "k12",
      "publisher": "Defense Comptroller",
      "title": "FY2027 Procurement Programs (P-1)",
      "url": "https://comptroller.war.gov/Portals/45/Documents/defbudget/FY2027/FY2027_p1.pdf",
      "document_date": "2026-04",
      "locator": "PDF pp. 226–227 / printed pp. 221–222: 3010F line 10 KC-46A aircraft; FY2026 discretionary enacted $2,749,974 thousand, 15 aircraft; FY2027 request $3,520,530 thousand, 15 aircraft. PDF pp. 234–235 / printed pp. 229–230: line 37 modifications, $19,344 thousand enacted and $85,515 thousand requested. Split column headers checked visually.",
      "reviewed_at": "2026-09-12",
      "pdf_page": 226,
      "original_receipt": {
        "receipt_filename": "procurement-p1-pb2027.pdf",
        "sha256": "b8d5248257590856ee33ddb1b401ec2efcdfea219c05b5bc8ea1068d9000d0a6",
        "retrieved_at": "2026-09-12T13:56:02.675144+00:00",
        "http_last_modified": "Fri, 03 Apr 2026 19:56:57 GMT"
      },
      "access_note": "Fresh download is byte-identical to preserved same-day official receipt; source table images inspected."
    },
    {
      "id": "k13",
      "publisher": "Defense Comptroller",
      "title": "FY2027 RDT&E Programs (R-1)",
      "url": "https://comptroller.war.gov/Portals/45/Documents/defbudget/FY2027/FY2027_r1.pdf",
      "document_date": "2026-04",
      "locator": "PDF p. 48 / printed p. 43: 3600F, line 117, PE 0401221F, KC-46A Tanker Squadrons. FY2026 discretionary enacted $130,175 thousand; FY2027 discretionary request $543,788 thousand. Entire PE, not an exclusive allocation to the original 188 aircraft.",
      "reviewed_at": "2026-09-12",
      "pdf_page": 48,
      "original_receipt": {
        "receipt_filename": "rdte-r1-pb2027.pdf",
        "sha256": "1aa8846edb69d4c3a54e03b383b0cabb77f93433162b8139ab8cbb55bcc7882a",
        "retrieved_at": "2026-09-12T13:56:04.709968+00:00",
        "http_last_modified": "Fri, 03 Apr 2026 19:56:57 GMT"
      },
      "access_note": "Fresh download is byte-identical to preserved same-day official receipt; column headers checked visually."
    },
    {
      "id": "k14",
      "publisher": "Department of Defense",
      "title": "Contracts for November 21, 2024 — KC-46A Lot 11",
      "url": "https://www.defense.gov/News/Contracts/Contract/Article/3974996/",
      "document_date": "2024-11-21",
      "locator": "AIR FORCE opening paragraph: modification P00326 to FA8625-11-C-6600; 15 Lot 11 aircraft, G081, subscriptions and licenses; $2,389,323,828 action and same FY2025 procurement obligation. MSAR p. 44 instead labels Lot 11 P00327 / November 22; not counted as a second purchase.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official indexed contract text inspected. Opening URL redirects to war.gov; current reader did not reliably expose the historic contract body. Exact historic identifier/date is retained with its discrepancy, not silently reconciled."
    },
    {
      "id": "k15",
      "publisher": "Air Force Materiel Command / 88th Air Base Wing",
      "title": "AF awards KC-46A Aircrew Training System contract",
      "url": "https://www.afmc.af.mil/News/Article-Display/Article/153478/af-awards-kc-46a-aircrew-training-system-contract/",
      "document_date": "2013-05-02",
      "locator": "Second body paragraph: $78,369,818 initial ATS development contract, $1m initial obligation, incremental funding and later options. MSAR p. 37 gives May 1 award date and FA862113C6247.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official browser retrieval. Publication day and MSAR award day retained separately."
    },
    {
      "id": "k16",
      "publisher": "Boeing",
      "title": "Boeing Awarded Contract for 15 Additional U.S. Air Force KC-46A Tankers",
      "url": "https://boeing.mediaroom.com/news-releases-statements?item=131617",
      "document_date": "2025-11-25",
      "locator": "Datelined opening: Lot 12, 15 additional US aircraft, $2.47bn rounded value. Exact action/obligation from MSAR p. 44. Global total in company release includes foreign aircraft and is excluded from US tally.",
      "reviewed_at": "2026-09-12",
      "access_note": "Official corporate primary announcement read through browser retrieval."
    }
  ]
}